diff --git a/web/server.py b/web/server.py
index d984ba0..6c48351 100644
--- a/web/server.py
+++ b/web/server.py
@@ -22,31 +22,24 @@ latest_path = "/data/latest"
 @app.route('/')
 def index():
     """Main index page with script execution buttons"""
-    # Get available scripts and organize them
-    script_map = get_script_map()
-
-    # Organize scripts by category
-    scripts_by_category = {
-        'Download County Data': ['download-county-addresses', 'download-county-roads', 'download-county-paths'],
-        'Download OSM Data': ['download-osm-roads', 'download-osm-addresses', 'download-osm-paths'],
-        'Convert Data': ['convert-roads', 'convert-addresses', 'convert-paths'],
-        'Diff Data': ['diff-roads', 'diff-paths', 'diff-addresses'],
-        'Utilities': ['ls', 'make-new-latest']
-    }
+    counties = get_counties()
 
     # Get list of files
     data_files = {}
     if os.path.exists(latest_path):
-        for countyFolder in os.listdir(latest_path):
-            files = os.listdir('/data/latest/'+countyFolder)
-            data_files[countyFolder] = files
-            # data_files.append(countyFolder)
+        try:
+            for countyFolder in os.listdir(latest_path):
+                folder_path = '/data/latest/' + countyFolder
+                if os.path.isdir(folder_path):
+                    data_files[countyFolder] = os.listdir(folder_path)
+        except Exception:
+            pass
 
+    import json as _json
     return render_template('index.html',
-                         script_map=script_map,
-                         scripts_by_category=scripts_by_category,
-                         data_files=data_files
-                         )
+                           counties=counties,
+                           counties_json=_json.dumps(counties),
+                           data_files=data_files)
 
 @app.route('/map')
 def map_viewer():
@@ -54,64 +47,66 @@ def map_viewer():
     return render_template('map.html')
 
 def get_script_map():
-    """Get the map of available scripts and their commands"""
-    return {
+    """Build script map dynamically from county configuration."""
+    counties = get_counties()
+
+    county_dirs = ' '.join(f'$NEWDIR/{c["id"]}' for c in counties)
+    sm = {
         'ls': 'ls -al /data',
-        'make-new-latest': 'cd /data && NEWDIR=$(date +%y%m%d) && mkdir -p $NEWDIR/lake $NEWDIR/sumter && ln -sfn $NEWDIR latest',
-        # todo: make a clean-old-data script
-        'download-county-paths': {
-            'sumter': {'type': 'upload', 'dest': '/data/latest/sumter/paths.shp.zip'},
-            # lake: not available
-        },
-        'download-county-addresses': {
-            # deliver files with standardized names
-            'sumter': 'mkdir -p /data/latest/sumter && wget https://www.arcgis.com/sharing/rest/content/items/c75c5aac13a648968c5596b0665be28b/data -O /data/latest/sumter/addresses.shp.zip',
-            'lake': 'mkdir -p /data/latest/lake && wget https://c.lakecountyfl.gov/ftp/GIS/GisDownloads/Shapefiles/Addresspoints.zip -O /data/latest/lake/addresses.shp.zip'
-        },
-        'download-county-roads': {
-            # deliver files with standardized names
-            'sumter': 'mkdir -p /data/latest/sumter && wget https://www.arcgis.com/sharing/rest/content/items/9177e17c72d3433aa79630c7eda84add/data -O /data/latest/sumter/roads.shp.zip',
-            'lake': 'mkdir -p /data/latest/lake && wget https://c.lakecountyfl.gov/ftp/GIS/GisDownloads/Shapefiles/Streets.zip -O /data/latest/lake/roads.shp.zip'
-        },
-        # todo: integrate osm downloading and shapefile converting into diff-roads like addresses
-        'download-osm-roads': {
-            'lake': ['python', 'download-overpass.py', '--type', 'highways', 'Lake County', 'Florida', '/data/latest/lake/osm-roads.geojson'],
-            'sumter': ['python', 'download-overpass.py', '--type', 'highways', 'Sumter County', 'Florida', '/data/latest/sumter/osm-roads.geojson']
-        },
-        'download-osm-addresses': {
-            'lake': ['python', 'download-overpass.py', '--type', 'addresses', 'Lake County', 'Florida', '/data/latest/lake/osm-addresses.geojson'],
-            'sumter': ['python', 'download-overpass.py', '--type', 'addresses', 'Sumter County', 'Florida', '/data/latest/sumter/osm-addresses.geojson']
-        },
-        'download-osm-paths': {
-            # todo: no lake county paths
-            #'lake': ['python', 'download-overpass.py', '--type', 'highways', 'Lake County', 'Florida', '/data/latest/lake/osm-roads.geojson'],
-            'sumter': ['python', 'download-overpass.py', '--type', 'paths', 'Sumter County', 'Florida', '/data/latest/sumter/osm-paths.geojson']
-        },
-        # todo
-        'convert-roads': {
-            'sumter': ['python', 'shp-to-geojson.py', '/data/latest/sumter/roads.shp.zip', '/data/latest/sumter/county-roads.geojson'],
-            'lake': ['python', 'shp-to-geojson.py', '/data/latest/lake/roads.shp.zip', '/data/latest/lake/county-roads.geojson']
-        },
-        'convert-addresses': {
-            'sumter': ['python', 'convert-addresses.py', '/data/latest/sumter/addresses.shp.zip', '/data/latest/sumter/county-addresses.geojson'],
-            'lake':   ['python', 'convert-addresses.py', '/data/latest/lake/addresses.shp.zip',   '/data/latest/lake/county-addresses.geojson'],
-        },
-        'convert-paths': {
-            'sumter': ['python', 'shp-to-geojson.py', '/data/latest/sumter/paths.shp.zip', '/data/latest/sumter/county-paths.geojson'],
-        },
-        'diff-roads': {
-            'lake':   ['python', 'diff-highways.py', '/data/latest/lake/osm-roads.geojson',   '/data/latest/lake/county-roads.geojson',   '--output', '/data/latest/lake/diff-roads.geojson'],
-            'sumter': ['python', 'diff-highways.py', '/data/latest/sumter/osm-roads.geojson', '/data/latest/sumter/county-roads.geojson', '--output', '/data/latest/sumter/diff-roads.geojson'],
-        },
-        'diff-paths': {
-            'sumter': ['python', 'diff-highways.py', '/data/latest/sumter/osm-paths.geojson', '/data/latest/sumter/county-paths.geojson', '--output', '/data/latest/sumter/diff-paths.geojson'],
-        },
-        'diff-addresses': {
-            'lake':   ['python', 'compare-addresses.py', '--local-file', '/data/latest/lake/county-addresses.geojson',   '--osm-file', '/data/latest/lake/osm-addresses.geojson',   '--output-dir', '/data/latest/lake'],
-            'sumter': ['python', 'compare-addresses.py', '--local-file', '/data/latest/sumter/county-addresses.geojson', '--osm-file', '/data/latest/sumter/osm-addresses.geojson', '--output-dir', '/data/latest/sumter'],
-        },
+        'make-new-latest': f'cd /data && NEWDIR=$(date +%y%m%d) && mkdir -p {county_dirs} && ln -sfn $NEWDIR latest',
     }
 
+    dl_roads = {}; dl_addrs = {}; dl_paths = {}
+    osm_roads = {}; osm_addrs = {}; osm_paths = {}
+    conv_roads = {}; conv_addrs = {}; conv_paths = {}
+    diff_roads = {}; diff_addrs = {}; diff_paths = {}
+
+    for c in counties:
+        cid   = c['id']
+        name  = c['name']
+        state = c['state']
+        base  = f'/data/latest/{cid}'
+
+        if c.get('roads_url'):
+            dl_roads[cid] = f'mkdir -p {base} && wget {c["roads_url"]} -O {base}/roads.shp.zip'
+        if c.get('addresses_url'):
+            dl_addrs[cid] = f'mkdir -p {base} && wget {c["addresses_url"]} -O {base}/addresses.shp.zip'
+        pu = c.get('paths_url', '')
+        if pu == 'upload':
+            dl_paths[cid] = {'type': 'upload', 'dest': f'{base}/paths.shp.zip'}
+        elif pu:
+            dl_paths[cid] = f'mkdir -p {base} && wget {pu} -O {base}/paths.shp.zip'
+
+        osm_roads[cid] = ['python', 'download-overpass.py', '--type', 'highways',  name, state, f'{base}/osm-roads.geojson']
+        osm_addrs[cid] = ['python', 'download-overpass.py', '--type', 'addresses', name, state, f'{base}/osm-addresses.geojson']
+        if pu:
+            osm_paths[cid] = ['python', 'download-overpass.py', '--type', 'paths', name, state, f'{base}/osm-paths.geojson']
+
+        conv_roads[cid] = ['python', 'shp-to-geojson.py',   f'{base}/roads.shp.zip',     f'{base}/county-roads.geojson']
+        conv_addrs[cid] = ['python', 'convert-addresses.py', f'{base}/addresses.shp.zip', f'{base}/county-addresses.geojson']
+        if pu:
+            conv_paths[cid] = ['python', 'shp-to-geojson.py', f'{base}/paths.shp.zip', f'{base}/county-paths.geojson']
+
+        diff_roads[cid] = ['python', 'diff-highways.py', f'{base}/osm-roads.geojson', f'{base}/county-roads.geojson', '--output', f'{base}/diff-roads.geojson']
+        diff_addrs[cid] = ['python', 'compare-addresses.py', '--local-file', f'{base}/county-addresses.geojson', '--osm-file', f'{base}/osm-addresses.geojson', '--output-dir', base]
+        if pu:
+            diff_paths[cid] = ['python', 'diff-highways.py', f'{base}/osm-paths.geojson', f'{base}/county-paths.geojson', '--output', f'{base}/diff-paths.geojson']
+
+    if dl_roads:   sm['download-county-roads']    = dl_roads
+    if dl_addrs:   sm['download-county-addresses'] = dl_addrs
+    if dl_paths:   sm['download-county-paths']     = dl_paths
+    sm['download-osm-roads']    = osm_roads
+    sm['download-osm-addresses'] = osm_addrs
+    if osm_paths:  sm['download-osm-paths']  = osm_paths
+    sm['convert-roads']    = conv_roads
+    sm['convert-addresses'] = conv_addrs
+    if conv_paths: sm['convert-paths'] = conv_paths
+    sm['diff-roads']    = diff_roads
+    sm['diff-addresses'] = diff_addrs
+    if diff_paths: sm['diff-paths'] = diff_paths
+
+    return sm
+
 @app.route('/api/run-script', methods=['POST'])
 def run_script():
     """Execute a script in the background"""
@@ -288,6 +283,76 @@ def serve_data(filename):
     """Serve GeoJSON files"""
     return send_from_directory('/data', filename)
 
+# ── Counties config ────────────────────────────────────────────────────────────
+
+COUNTIES_FILE = '/data/counties.yml'
+
+DEFAULT_COUNTIES = [
+    {
+        'id': 'lake',
+        'name': 'Lake County',
+        'state': 'Florida',
+        'color': '#28a745',
+        'roads_url': 'https://c.lakecountyfl.gov/ftp/GIS/GisDownloads/Shapefiles/Streets.zip',
+        'addresses_url': 'https://c.lakecountyfl.gov/ftp/GIS/GisDownloads/Shapefiles/Addresspoints.zip',
+        'paths_url': '',
+    },
+    {
+        'id': 'sumter',
+        'name': 'Sumter County',
+        'state': 'Florida',
+        'color': '#17a2b8',
+        'roads_url': 'https://www.arcgis.com/sharing/rest/content/items/9177e17c72d3433aa79630c7eda84add/data',
+        'addresses_url': 'https://www.arcgis.com/sharing/rest/content/items/c75c5aac13a648968c5596b0665be28b/data',
+        'paths_url': 'upload',
+    },
+]
+
+def _ensure_counties_file():
+    if not os.path.exists(COUNTIES_FILE):
+        os.makedirs(os.path.dirname(COUNTIES_FILE), exist_ok=True)
+        with open(COUNTIES_FILE, 'w') as f:
+            yaml.dump({'counties': DEFAULT_COUNTIES}, f,
+                      default_flow_style=False, allow_unicode=True)
+
+_ensure_counties_file()
+
+def get_counties():
+    try:
+        with open(COUNTIES_FILE) as f:
+            data = yaml.safe_load(f) or {}
+        return data.get('counties', DEFAULT_COUNTIES)
+    except Exception:
+        return DEFAULT_COUNTIES
+
+@app.route('/counties')
+def counties_page():
+    return render_template('counties.html')
+
+@app.route('/api/counties', methods=['GET'])
+def get_counties_api():
+    try:
+        return jsonify({'counties': get_counties()})
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500
+
+@app.route('/api/counties', methods=['POST'])
+def save_counties():
+    data = request.json
+    counties = data.get('counties', [])
+    for c in counties:
+        if not c.get('id', '').strip():
+            return jsonify({'error': 'Each county must have a non-empty id'}), 400
+        if not c.get('name', '').strip():
+            return jsonify({'error': 'Each county must have a non-empty name'}), 400
+    tmp = COUNTIES_FILE + '.tmp'
+    with open(tmp, 'w') as f:
+        yaml.dump({'counties': counties}, f, default_flow_style=False, allow_unicode=True)
+    os.replace(tmp, COUNTIES_FILE)
+    return jsonify({'success': True})
+
+# ── Exceptions config ──────────────────────────────────────────────────────────
+
 EXCEPTIONS_FILE = '/data/exceptions.yml'
 
 DEFAULT_EXCEPTIONS = [
diff --git a/web/static/map.js b/web/static/map.js
index e130c15..091e0e3 100644
--- a/web/static/map.js
+++ b/web/static/map.js
@@ -1253,9 +1253,11 @@ document.addEventListener('DOMContentLoaded', function() {
         if (multiSelectMode) {
             button.style.background = '#007bff';
             button.textContent = 'Multi-Select: ON';
+            map.getContainer().classList.add('multi-select-active');
         } else {
             button.style.background = '#6c757d';
             button.textContent = 'Multi-Select: OFF';
+            map.getContainer().classList.remove('multi-select-active');
             // Clear selection when turning off multi-select mode
             clearSelection();
         }
diff --git a/web/templates/counties.html b/web/templates/counties.html
new file mode 100644
index 0000000..922f329
--- /dev/null
+++ b/web/templates/counties.html
@@ -0,0 +1,348 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Counties — OSM Import Tools</title>
+    <style>
+        * { margin: 0; padding: 0; box-sizing: border-box; }
+
+        html, body {
+            height: 100%;
+            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
+            background: #eef0f3;
+            color: #222;
+        }
+
+        .page { display: flex; flex-direction: column; height: 100%; }
+
+        .topbar {
+            display: flex;
+            align-items: center;
+            gap: 12px;
+            padding: 10px 16px;
+            background: #1a1a2e;
+            flex-shrink: 0;
+        }
+
+        .topbar h1 { font-size: 16px; font-weight: 700; color: #fff; }
+        .topbar-sep { width: 1px; height: 20px; background: #ffffff30; }
+
+        .btn-topbar {
+            padding: 5px 12px;
+            border: none;
+            border-radius: 5px;
+            cursor: pointer;
+            font-size: 12px;
+            font-weight: 600;
+            background: #ffffff18;
+            color: #ddd;
+            text-decoration: none;
+        }
+        .btn-topbar:hover { background: #ffffff30; }
+        .btn-topbar.active { background: #ffffff30; color: #fff; }
+        .btn-topbar.purple { background: #6f42c1; color: white; }
+        .btn-topbar.purple:hover { background: #5a32a3; }
+
+        .content {
+            flex: 1;
+            overflow-y: auto;
+            padding: 24px;
+            display: flex;
+            flex-direction: column;
+            gap: 16px;
+            align-items: flex-start;
+        }
+
+        /* ── Status bar ── */
+        #status {
+            width: 100%;
+            max-width: 680px;
+            padding: 9px 14px;
+            font-size: 13px;
+            border-radius: 6px;
+            display: none;
+        }
+        #status.success { background: #d4edda; color: #155724; display: block; }
+        #status.error   { background: #f8d7da; color: #721c24; display: block; }
+
+        /* ── County card ── */
+        .county-card {
+            background: white;
+            border-radius: 8px;
+            box-shadow: 0 1px 3px rgba(0,0,0,0.08);
+            width: 100%;
+            max-width: 680px;
+            overflow: hidden;
+        }
+
+        .card-header {
+            display: flex;
+            align-items: center;
+            gap: 10px;
+            padding: 10px 16px;
+            background: #f8f9fa;
+            border-bottom: 1px solid #eee;
+        }
+
+        .color-swatch {
+            width: 14px;
+            height: 14px;
+            border-radius: 50%;
+            flex-shrink: 0;
+        }
+
+        .card-header-name {
+            font-size: 14px;
+            font-weight: 700;
+            color: #333;
+            flex: 1;
+        }
+
+        .btn-delete {
+            background: none;
+            border: none;
+            cursor: pointer;
+            color: #ccc;
+            font-size: 16px;
+            padding: 2px 6px;
+            border-radius: 3px;
+            line-height: 1;
+        }
+        .btn-delete:hover { color: #dc3545; background: #fdecea; }
+
+        .card-fields {
+            padding: 14px 16px;
+            display: grid;
+            grid-template-columns: 1fr 1fr;
+            gap: 10px 16px;
+        }
+
+        .field {
+            display: flex;
+            flex-direction: column;
+            gap: 3px;
+        }
+
+        .field.full { grid-column: 1 / -1; }
+
+        .field label {
+            font-size: 10px;
+            font-weight: 700;
+            text-transform: uppercase;
+            letter-spacing: 0.5px;
+            color: #888;
+        }
+
+        .field input[type="text"],
+        .field input[type="color"] {
+            border: 1px solid #e0e0e0;
+            border-radius: 4px;
+            padding: 5px 8px;
+            font-size: 13px;
+            color: #333;
+            font-family: inherit;
+            outline: none;
+            transition: border-color 0.15s;
+        }
+        .field input[type="text"]:focus { border-color: #17a2b8; }
+
+        .field input[type="color"] {
+            padding: 2px 4px;
+            height: 30px;
+            cursor: pointer;
+        }
+
+        .field .hint {
+            font-size: 10px;
+            color: #bbb;
+            margin-top: 1px;
+        }
+
+        /* ── Footer ── */
+        .footer {
+            display: flex;
+            gap: 10px;
+            align-items: center;
+            max-width: 680px;
+            width: 100%;
+            padding-top: 4px;
+        }
+
+        .btn {
+            padding: 7px 16px;
+            border: none;
+            border-radius: 5px;
+            cursor: pointer;
+            font-size: 13px;
+            font-weight: 600;
+        }
+        .btn-add  { background: #e8f5e9; color: #2e7d32; }
+        .btn-add:hover { background: #c8e6c9; }
+        .btn-save { background: #17a2b8; color: white; }
+        .btn-save:hover { filter: brightness(0.9); }
+    </style>
+</head>
+<body>
+<div class="page">
+
+    <div class="topbar">
+        <h1>OSM Import Tools</h1>
+        <div class="topbar-sep"></div>
+        <a href="/" class="btn-topbar">&#8592; Back</a>
+        <div style="flex:1"></div>
+        <a href="/counties" class="btn-topbar active">Counties</a>
+        <a href="/exceptions" class="btn-topbar">Street Exceptions</a>
+        <a href="/map" class="btn-topbar purple">Open Map Viewer</a>
+    </div>
+
+    <div class="content">
+
+        <div id="status"></div>
+
+        <div id="countyList"></div>
+
+        <div class="footer">
+            <button class="btn btn-add" onclick="addCounty()">+ Add county</button>
+            <button class="btn btn-save" onclick="save()">Save</button>
+        </div>
+
+    </div>
+</div>
+
+<script>
+    let counties = [];
+
+    const PALETTE = ['#28a745','#17a2b8','#fd7e14','#6f42c1','#dc3545','#6610f2','#20c997','#e83e8c'];
+
+    function showStatus(msg, type) {
+        const el = document.getElementById('status');
+        el.textContent = msg;
+        el.className = type;
+        if (type === 'success') setTimeout(() => el.className = '', 3000);
+    }
+
+    function render() {
+        const container = document.getElementById('countyList');
+        if (!counties.length) {
+            container.innerHTML = '<p style="color:#aaa;font-size:13px">No counties configured. Add one to get started.</p>';
+            return;
+        }
+        container.innerHTML = counties.map((c, i) => `
+            <div class="county-card" data-index="${i}">
+                <div class="card-header">
+                    <div class="color-swatch" style="background:${esc(c.color || '#888')}"></div>
+                    <div class="card-header-name">${esc(c.name || '(unnamed)')}</div>
+                    <button class="btn-delete" onclick="deleteCounty(${i})" title="Delete">&#x2715;</button>
+                </div>
+                <div class="card-fields">
+                    <div class="field">
+                        <label>ID (slug)</label>
+                        <input type="text" value="${esc(c.id)}" placeholder="lake"
+                               oninput="update(${i},'id',this.value)">
+                        <span class="hint">Used in file paths — changing breaks existing data</span>
+                    </div>
+                    <div class="field">
+                        <label>Display name</label>
+                        <input type="text" value="${esc(c.name)}" placeholder="Lake County"
+                               oninput="update(${i},'name',this.value); refreshHeader(${i})">
+                    </div>
+                    <div class="field">
+                        <label>State</label>
+                        <input type="text" value="${esc(c.state)}" placeholder="Florida"
+                               oninput="update(${i},'state',this.value)">
+                    </div>
+                    <div class="field">
+                        <label>Tab color</label>
+                        <input type="color" value="${esc(c.color || '#28a745')}"
+                               oninput="update(${i},'color',this.value); refreshHeader(${i})">
+                    </div>
+                    <div class="field full">
+                        <label>Roads download URL</label>
+                        <input type="text" value="${esc(c.roads_url)}" placeholder="https://…"
+                               oninput="update(${i},'roads_url',this.value)">
+                    </div>
+                    <div class="field full">
+                        <label>Addresses download URL</label>
+                        <input type="text" value="${esc(c.addresses_url)}" placeholder="https://…"
+                               oninput="update(${i},'addresses_url',this.value)">
+                    </div>
+                    <div class="field full">
+                        <label>Paths URL</label>
+                        <input type="text" value="${esc(c.paths_url)}" placeholder="https://… or &quot;upload&quot; or leave empty"
+                               oninput="update(${i},'paths_url',this.value)">
+                        <span class="hint">Empty = not available &nbsp;|&nbsp; "upload" = manual upload &nbsp;|&nbsp; URL = download</span>
+                    </div>
+                </div>
+            </div>
+        `).join('');
+    }
+
+    function esc(s) {
+        return (s || '').replace(/&/g,'&amp;').replace(/"/g,'&quot;').replace(/</g,'&lt;');
+    }
+
+    function update(i, key, value) {
+        counties[i][key] = value;
+    }
+
+    function refreshHeader(i) {
+        const card = document.querySelector(`.county-card[data-index="${i}"]`);
+        if (!card) return;
+        card.querySelector('.color-swatch').style.background = counties[i].color || '#888';
+        card.querySelector('.card-header-name').textContent = counties[i].name || '(unnamed)';
+    }
+
+    function addCounty() {
+        const color = PALETTE[counties.length % PALETTE.length];
+        counties.push({ id: '', name: '', state: 'Florida', color, roads_url: '', addresses_url: '', paths_url: '' });
+        render();
+        // Focus the ID field of the new card
+        const cards = document.querySelectorAll('.county-card');
+        const last = cards[cards.length - 1];
+        if (last) last.querySelector('input').focus();
+    }
+
+    function deleteCounty(i) {
+        counties.splice(i, 1);
+        render();
+    }
+
+    function collectFromDOM() {
+        document.querySelectorAll('.county-card[data-index]').forEach(card => {
+            const i = parseInt(card.dataset.index);
+            const inputs = card.querySelectorAll('input[type="text"], input[type="color"]');
+            // order matches render: id, name, state, color, roads_url, addresses_url, paths_url
+            ['id','name','state','color','roads_url','addresses_url','paths_url'].forEach((key, j) => {
+                counties[i][key] = inputs[j].value;
+            });
+        });
+    }
+
+    function save() {
+        collectFromDOM();
+        for (const c of counties) {
+            if (!c.id.trim()) { showStatus('Each county must have an ID.', 'error'); return; }
+            if (!c.name.trim()) { showStatus('Each county must have a display name.', 'error'); return; }
+        }
+        fetch('/api/counties', {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/json' },
+            body: JSON.stringify({ counties })
+        })
+        .then(r => r.json())
+        .then(data => {
+            if (data.error) showStatus(`Error: ${data.error}`, 'error');
+            else showStatus('Saved. Restart the server to apply changes to the workflow.', 'success');
+        })
+        .catch(err => showStatus(`Error: ${err.message}`, 'error'));
+    }
+
+    // Load on open
+    fetch('/api/counties')
+        .then(r => r.json())
+        .then(data => { counties = data.counties || []; render(); })
+        .catch(err => showStatus(`Failed to load: ${err.message}`, 'error'));
+</script>
+</body>
+</html>
diff --git a/web/templates/exceptions.html b/web/templates/exceptions.html
index 43797e2..080fe36 100644
--- a/web/templates/exceptions.html
+++ b/web/templates/exceptions.html
@@ -190,6 +190,7 @@
         <div class="topbar-sep"></div>
         <a href="/" class="btn-topbar">&#8592; Back</a>
         <div style="flex:1"></div>
+        <a href="/counties" class="btn-topbar">Counties</a>
         <a href="/exceptions" class="btn-topbar active">Street Exceptions</a>
         <a href="/map" class="btn-topbar purple">Open Map Viewer</a>
     </div>
diff --git a/web/templates/index.html b/web/templates/index.html
index 42c24df..02c73d8 100644
--- a/web/templates/index.html
+++ b/web/templates/index.html
@@ -104,8 +104,7 @@
 
         .county-tab:hover { color: #444; }
 
-        .county-tab.active.lake   { color: #1a7a33; border-bottom-color: #28a745; background: white; }
-        .county-tab.active.sumter { color: #0d7a8f; border-bottom-color: #17a2b8; background: white; }
+        .county-tab.active { background: white; border-bottom-color: var(--county-color, #28a745); color: var(--county-color, #28a745); }
 
         /* Scrollable workflow area */
         .workflows {
@@ -189,8 +188,7 @@
         .btn-run:hover   { filter: brightness(0.88); }
         .btn-run:disabled { filter: brightness(0.5); cursor: not-allowed; }
 
-        .lake-active   .btn-run { background: #28a745; }
-        .sumter-active .btn-run { background: #17a2b8; }
+        .left .btn-run { background: var(--active-color, #28a745); }
 
         /* Force redownload */
         .force-label {
@@ -249,8 +247,7 @@
             font-weight: 500;
         }
 
-        .file-link.lake   { background: #28a745; }
-        .file-link.sumter { background: #17a2b8; }
+        .file-link { background: var(--link-color, #888); }
 
         /* ── Right panel (console) ── */
         .right {
@@ -330,6 +327,7 @@
         <button class="btn-topbar" onclick="runScript('make-new-latest', '')">New Latest</button>
         <button class="btn-topbar" onclick="runScript('ls', '')">List Files</button>
         <div style="flex:1"></div>
+        <a href="/counties" class="btn-topbar">Counties</a>
         <a href="/exceptions" class="btn-topbar">Street Exceptions</a>
         <a href="/map" class="btn-topbar purple">Open Map Viewer</a>
     </div>
@@ -340,8 +338,11 @@
         <div class="left" id="leftPanel">
 
             <div class="county-tabs">
-                <button class="county-tab lake active" onclick="selectCounty('lake')">Lake County</button>
-                <button class="county-tab sumter" onclick="selectCounty('sumter')">Sumter County</button>
+                {% for county in counties %}
+                <button class="county-tab" data-county="{{ county.id }}"
+                        style="--county-color: {{ county.color }}"
+                        onclick="selectCounty('{{ county.id }}')">{{ county.name }}</button>
+                {% endfor %}
             </div>
 
             <div class="workflows">
@@ -455,12 +456,15 @@
             <div class="files-strip">
                 <div class="files-strip-title">Downloaded files</div>
                 <div class="file-links">
-                    {% for county, file_names in data_files.items() %}
-                        {% for file_name in file_names %}
-                        <a class="file-link {% if 'lake' in county %}lake{% else %}sumter{% endif %}"
-                           href="/data/latest/{{ county }}/{{ file_name }}"
-                           title="{{ county }}/{{ file_name }}">{{ file_name }}</a>
+                    {% for county in counties %}
+                        {% if county.id in data_files %}
+                        {% for file_name in data_files[county.id] %}
+                        <a class="file-link"
+                           style="--link-color: {{ county.color }}"
+                           href="/data/latest/{{ county.id }}/{{ file_name }}"
+                           title="{{ county.id }}/{{ file_name }}">{{ file_name }}</a>
                         {% endfor %}
+                        {% endif %}
                     {% endfor %}
                 </div>
             </div>
@@ -482,51 +486,59 @@
 </div><!-- /page -->
 
 <script>
-    let activeCounty = 'lake';
+    const COUNTY_CONFIG = {{ counties_json | safe }};
+    let activeCounty = COUNTY_CONFIG.length ? COUNTY_CONFIG[0].id : '';
     let currentJobId = null;
     let logCheckInterval = null;
 
     function selectCounty(county) {
         activeCounty = county;
+        const config = COUNTY_CONFIG.find(c => c.id === county);
 
         // Update tab styles
         document.querySelectorAll('.county-tab').forEach(t => t.classList.remove('active'));
-        document.querySelector(`.county-tab.${county}`).classList.add('active');
+        const tab = document.querySelector(`.county-tab[data-county="${county}"]`);
+        if (tab) tab.classList.add('active');
 
-        // Update left panel class for button color theming
+        // Update button color via CSS custom property
         const panel = document.getElementById('leftPanel');
-        panel.classList.toggle('lake-active',   county === 'lake');
-        panel.classList.toggle('sumter-active', county === 'sumter');
+        panel.style.setProperty('--active-color', config ? config.color : '#28a745');
 
-        // Update paths section availability
-        renderPathsActions(county);
+        renderPathsActions(county, config);
     }
 
-    function renderPathsActions(county) {
-        if (county === 'lake') {
+    function renderPathsActions(county, config) {
+        const pathsUrl = config ? (config.paths_url || '') : '';
+        const na = '<span class="na">Not available</span>';
+
+        if (!pathsUrl) {
             ['1','2','3','4'].forEach(n => {
-                document.getElementById(`paths-step-${n}-actions`).innerHTML =
-                    '<span class="na">Not available for Lake</span>';
-            });
-        } else {
-            // Step 1: upload
-            document.getElementById('paths-step-1-actions').innerHTML =
-                '<input type="file" id="upload-sumter-paths" class="upload-input" accept=".zip">' +
-                '<button class="btn-run" onclick="uploadFile(\'upload-sumter-paths\', \'/data/latest/sumter/paths.shp.zip\')">Upload</button>';
-            // Steps 2-4: run buttons
-            [
-                ['2', 'download-osm-paths'],
-                ['3', 'convert-paths'],
-                ['4', 'diff-paths'],
-            ].forEach(([n, script]) => {
-                document.getElementById(`paths-step-${n}-actions`).innerHTML =
-                    `<button class="btn-run" onclick="runScript('${script}')">Run</button>`;
+                document.getElementById(`paths-step-${n}-actions`).innerHTML = na;
             });
+            return;
         }
+
+        // Step 1: upload or download
+        const inputId = `upload-${county}-paths`;
+        const dest = `/data/latest/${county}/paths.shp.zip`;
+        if (pathsUrl === 'upload') {
+            document.getElementById('paths-step-1-actions').innerHTML =
+                `<input type="file" id="${inputId}" class="upload-input" accept=".zip">` +
+                `<button class="btn-run" onclick="uploadFile('${inputId}', '${dest}')">Upload</button>`;
+        } else {
+            document.getElementById('paths-step-1-actions').innerHTML =
+                `<button class="btn-run" onclick="runScript('download-county-paths')">Run</button>`;
+        }
+
+        // Steps 2–4
+        [['2','download-osm-paths'],['3','convert-paths'],['4','diff-paths']].forEach(([n, script]) => {
+            document.getElementById(`paths-step-${n}-actions`).innerHTML =
+                `<button class="btn-run" onclick="runScript('${script}')">Run</button>`;
+        });
     }
 
     // Init
-    selectCounty('lake');
+    if (activeCounty) selectCounty(activeCounty);
 
     /* ── Script runner ── */
     function runScript(scriptName) {
diff --git a/web/templates/map.html b/web/templates/map.html
index e5863bf..b1c47d2 100644
--- a/web/templates/map.html
+++ b/web/templates/map.html
@@ -269,6 +269,12 @@
         .overlay.active {
             display: block;
         }
+
+        /* Crosshair cursor in multi-select mode */
+        .leaflet-container.multi-select-active,
+        .leaflet-container.multi-select-active.leaflet-grab {
+            cursor: crosshair !important;
+        }
     </style>
 </head>
 <body>