diff --git a/.gitignore b/.gitignore
index 2fbb441..1056b50 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@ node_modules
 dist
 *.geojson
 *.shp
+layers/dot-cams/castle-rock/data/states.js
diff --git a/layers/dot-cams/README.md b/layers/dot-cams/README.md
new file mode 100644
index 0000000..6fdc998
--- /dev/null
+++ b/layers/dot-cams/README.md
@@ -0,0 +1,15 @@
+https://traveler.modot.org/map/
+
+https://map.wyoroad.info/wtimap/index.html
+
+https://www.sd511.org/#&zoom=6.396744103345674&lon=-96.21250629888505&lat=44.0011361134118&states
+
+https://www.travelmidwest.com/lmiga/cameraReport.jsp?location=GATEWAY.IL
+
+# CA
+kern maybe same as WI?
+https://kern511.org/cctv?start=0&length=10&order%5Bi%5D=1&order%5Bdir%5D=asc
+
+https://dot.ca.gov/programs/traffic-operations/traveler-information/511
+
+"rr": "https://riverregion511.org" castlerock
diff --git a/layers/dot-cams/castle-rock/get_data.py b/layers/dot-cams/castle-rock/get_data.py
new file mode 100755
index 0000000..6a4111e
--- /dev/null
+++ b/layers/dot-cams/castle-rock/get_data.py
@@ -0,0 +1,94 @@
+#!/usr/bin/env python3
+
+import requests
+import json
+import re
+
+with open('states.json') as f:
+    states = json.loads(f.read())
+
+with open("query.graphql") as f:
+    QUERY = f.read()
+
+data = {}
+
+for state, baseURL in states.items():
+    PAYLOAD = [
+        {
+            "query": QUERY,
+            "variables": {
+                "input": {
+                    # Cover the whole state (this is pretty overkill, admittedly)
+                    "north":90,
+                    "south":0,
+                    "east":0,
+                    "west":-179,
+                    "zoom":12,
+                    "layerSlugs": ["normalCameras"],
+                    "nonClusterableUris": ["dashboard"],
+                },
+                "plowType":"plowCameras",
+            },
+        },
+    ]
+
+    res = requests.post(f'{baseURL}api/graphql', json=PAYLOAD)
+    res.raise_for_status()
+
+    camera_views = res.json()[0]['data']['mapFeaturesQuery']['mapFeatures']
+
+    cameras = []
+
+    viewCount = 0
+
+    for c in camera_views:
+        if len(c['features']) != 1:
+            print(c)
+            raise Exception(f"Unexpected number of features: {len(c['features'])}")
+
+        if re.match(r"Show .* cameras", c['tooltip']):
+            raise Exception(f"Not zoomed in enough! Finding aggregate cameras: {c}")
+
+        for view in c['views']:
+            if len(view['sources']) != 1 if view['category'] == 'VIDEO' else 0:
+                print(view)
+                raise Exception(f"Unexpected number of sources ({len(view['sources'])})")
+            for source in view['sources'] or []:
+                if source['type'] != 'application/x-mpegURL':
+                    raise Exception(f"Unexpected type {source['type']}")
+
+        viewCount += len(c['views'])
+        cameras.append({
+            "type": "Feature",
+            "geometry": c['features'][0]['geometry'],
+            "properties": {
+                'address': c['tooltip'],
+                'website': c['views'][0]['url'],
+                'originalData': c,
+            },
+        })
+
+    geojson = {
+        "type": "FeatureCollection",
+        "features": cameras,
+    }
+
+    with open(f"data/{state}.geojson", "w") as f:
+        f.write(json.dumps(geojson))
+
+    print(f"{len(cameras)} locations found for {state}")
+    print(f"{viewCount} total views for {state}")
+
+# hack hack hack
+#
+# If I write this to one big file, I can't take advantage of any lazy loading
+# for performance reasons, so I'm constrained to having a bunch of files. I
+# can't programmatically import those, since es6 imports don't allow for that.
+# So, codegen it is (and fairly gross codegen at that!).
+with open('data/states.js', 'w') as f:
+    for state in states:
+        f.write(f"import {state} from './{state}.geojson?url';\n")
+    f.write('\nexport default {\n')
+    for state in states:
+        f.write(f"    {state}: {state},\n")
+    f.write("};\n")
diff --git a/layers/dot-cams/castle-rock/index.js b/layers/dot-cams/castle-rock/index.js
new file mode 100644
index 0000000..2f24c52
--- /dev/null
+++ b/layers/dot-cams/castle-rock/index.js
@@ -0,0 +1,75 @@
+import VectorLayer from 'ol/layer/Vector';
+import {Vector as VectorSource} from 'ol/source.js';
+import GeoJSON from 'ol/format/GeoJSON.js';
+
+import Hls from 'hls.js';
+
+import {Style} from 'ol/style.js';
+import Icon from 'ol/style/Icon.js';
+
+import states from './data/states.js';
+
+import pin from './pin.svg?url'; // TODO: remove `?url`?
+
+// https://en.wikipedia.org/wiki/Department_of_transportation#List_of_U.S._state_and_insular_area_departments_of_transportation
+const dot_names = {
+    mn: "Minnesota: MNDOT/511MN",
+    ia: "Iowa: Iowa DOT/511IA",
+    wi: "Wisconsin: WisDOT/511WI",
+    co: "Colorado: CDOT/COtrip",
+    ks: "Kansas: KDOT/KanDrive",
+    ne: "Nebraska: NDOT/Nebraska 511",
+    ma: "Massachusetts: MassDOT/Mass511",
+}
+
+let vectorLayers = []
+
+for (let [state, url] of Object.entries(states)) {
+    const vectorLayer = new VectorLayer({
+        source: new VectorSource({
+            url: url,
+            format: new GeoJSON,
+        }),
+        style: new Style({
+            image: new Icon({
+                anchor: [0.5, 1],
+                src: pin,
+            }),
+        }),
+    });
+
+    vectorLayer.customPopup = function(feature) {
+        const view = feature.values_.originalData.views[0];
+        if (view.category.toLowerCase() == "video") {
+            return `<video style="max-width: 80vw; max-height: 80vh;" id="popupVideo" autoplay controls></video>`;
+        } else if (view.category.toLowerCase() == "image") {
+            return `<img style="max-width: 80vw; max-height: 80vh;" src="${view.url}">`;
+        } else {
+            throw new Exception(`unknown category ${view.category}`);
+        }
+    };
+
+    vectorLayer.customPopupCallback = function(feature) {
+        const view = feature.values_.originalData.views[0];
+        if (view.category.toLowerCase() == "video") {
+            const video = document.getElementById('popupVideo');
+
+            const videoSrc = view.sources[0].src;
+            if (Hls.isSupported()) {
+                var hls = new Hls();
+                hls.loadSource(videoSrc);
+                hls.attachMedia(video);
+            }
+            // iDevice support, untested (only works in Safari; required for iPhones)
+            else if (video.canPlayType('application/vnd.apple.mpegurl')) {
+                video.src = videoSrc;
+            }
+        }
+    }
+    vectorLayers.push({
+        name: dot_names[state] ?? state,
+        layer: vectorLayer,
+    });
+}
+
+export default vectorLayers;
diff --git a/layers/dot-cams/ia/pin.svg b/layers/dot-cams/castle-rock/pin.svg
similarity index 100%
rename from layers/dot-cams/ia/pin.svg
rename to layers/dot-cams/castle-rock/pin.svg
diff --git a/layers/dot-cams/ia/query.graphql b/layers/dot-cams/castle-rock/query.graphql
similarity index 100%
rename from layers/dot-cams/ia/query.graphql
rename to layers/dot-cams/castle-rock/query.graphql
diff --git a/layers/dot-cams/castle-rock/states.json b/layers/dot-cams/castle-rock/states.json
new file mode 100644
index 0000000..ce4d810
--- /dev/null
+++ b/layers/dot-cams/castle-rock/states.json
@@ -0,0 +1,8 @@
+{
+    "mn": "https://511mn.org/",
+    "co": "https://maps.cotrip.org/",
+    "ia": "https://511ia.org/",
+    "ks": "https://www.kandrive.gov/",
+    "ma": "https://mass511.com/",
+    "ne": "https://new.511.nebraska.gov/"
+}
diff --git a/layers/dot-cams/ia/get_data.py b/layers/dot-cams/ia/get_data.py
deleted file mode 100755
index fad76c5..0000000
--- a/layers/dot-cams/ia/get_data.py
+++ /dev/null
@@ -1,74 +0,0 @@
-#!/usr/bin/env python3
-
-import requests
-import json
-import re
-
-with open("query.graphql") as f:
-    QUERY = f.read()
-
-PAYLOAD = [
-    {
-        "query": QUERY,
-        "variables": {
-            "input": {
-                # Cover the whole state (this is pretty overkill, admittedly)
-                "north":45.2,
-                "south":38.2,
-                "east":-82.9,
-                "west":-98.3,
-                "zoom":11,
-                "layerSlugs": ["normalCameras"],
-                "nonClusterableUris": ["dashboard"]
-            },
-            "plowType":"plowCameras",
-        }
-    }
-]
-
-res = requests.post('https://511ia.org/api/graphql', json=PAYLOAD)
-res.raise_for_status()
-
-camera_views = res.json()[0]['data']['mapFeaturesQuery']['mapFeatures']
-
-cameras = []
-
-viewCount = 0
-
-for c in camera_views:
-    if len(c['features']) != 1:
-        print(c)
-        raise Exception(f"Unexpected number of features: {len(c['features'])}")
-    
-    if re.match(r"Show .* cameras", c['tooltip']):
-        raise Exception(f"Not zoomed in enough! Finding aggregate cameras: {c}")
-
-    for view in c['views']:
-        if len(view['sources']) != 1 if view['category'] == 'VIDEO' else 0:
-            print(view)
-            raise Exception(f"Unexpected number of sources ({len(view['sources'])})")
-        for source in view['sources'] or []:
-            if source['type'] != 'application/x-mpegURL':
-                raise Exception(f"Unexpected type {source['type']}")
-
-    viewCount += len(c['views'])
-    cameras.append({
-        "type": "Feature",
-        "geometry": c['features'][0]['geometry'],
-        "properties": {
-            'address': c['tooltip'],
-            'website': c['views'][0]['url'],
-            'originalData': c,
-        },
-    })
-
-geojson = {
-    "type": "FeatureCollection",
-    "features": cameras,
-}
-
-with open("data.geojson", "w") as f:
-    f.write(json.dumps(geojson))
-
-print(f"{len(cameras)} locations found")
-print(f"{viewCount} total views")
diff --git a/layers/dot-cams/ia/layer.js b/layers/dot-cams/ia/layer.js
deleted file mode 100644
index bf985d2..0000000
--- a/layers/dot-cams/ia/layer.js
+++ /dev/null
@@ -1,55 +0,0 @@
-import VectorLayer from 'ol/layer/Vector';
-import {Vector as VectorSource} from 'ol/source.js';
-import GeoJSON from 'ol/format/GeoJSON.js';
-
-import Hls from 'hls.js';
-
-import {Style} from 'ol/style.js';
-import Icon from 'ol/style/Icon.js';
-
-import url from './data.geojson?url'; // TODO: remove `?url`?
-import pin from './pin.svg?url'; // TODO: remove `?url`?
-
-const vectorLayer = new VectorLayer({
-    source: new VectorSource({
-        url: url,
-        format: new GeoJSON,
-    }),
-    style: new Style({
-        image: new Icon({
-            anchor: [0.5, 1],
-            src: pin,
-        }),
-    }),
-});
-
-vectorLayer.customPopup = function(feature) {
-    const view = feature.values_.originalData.views[0];
-    if (view.category.toLowerCase() == "video") {
-        return `<video style="max-width: 80vw; max-height: 80vh;" id="popupVideo" autoplay controls></video>`;
-    } else if (view.category.toLowerCase() == "image") {
-        return `<img style="max-width: 80vw; max-height: 80vh;" src="${view.url}">`;
-    } else {
-        throw new Exception(`unknown category ${view.category}`);
-    }
-};
-
-vectorLayer.customPopupCallback = function(feature) {
-    const view = feature.values_.originalData.views[0];
-    if (view.category.toLowerCase() == "video") {
-        const video = document.getElementById('popupVideo');
-
-        const videoSrc = view.sources[0].src;
-        if (Hls.isSupported()) {
-            var hls = new Hls();
-            hls.loadSource(videoSrc);
-            hls.attachMedia(video);
-        }
-        // iDevice support, untested (only works in Safari; required for iPhones)
-        else if (video.canPlayType('application/vnd.apple.mpegurl')) {
-            video.src = videoSrc;
-        }
-    }
-}
-
-export default vectorLayer;
diff --git a/layers/dot-cams/index.js b/layers/dot-cams/index.js
index 646d69c..71f88ad 100644
--- a/layers/dot-cams/index.js
+++ b/layers/dot-cams/index.js
@@ -1,22 +1,15 @@
-import mn from './mn/layer.js';
 import wi from './wi/layer.js';
-import ia from './ia/layer.js';
+
+import castlerocklayers from './castle-rock/index.js';
 
 const dot_cams = {
     name: "State DOT Cameras",
     layers: [
-        {
-            name: "MNDOT/511MN",
-            layer: mn,
-        },
+        ...castlerocklayers,
         {
             name: "WisDOT/511WI",
             layer: wi,
         },
-        {
-            name: "Iowa DOT/511IA",
-            layer: ia,
-        },
     ],
     details: `<a href="#" onclick="this.closest('details').querySelectorAll('ul li input').forEach(e => e.checked || e.click()); return false;">Enable All</a>`,
 };
diff --git a/layers/dot-cams/mn/get_data.py b/layers/dot-cams/mn/get_data.py
deleted file mode 100755
index 285171d..0000000
--- a/layers/dot-cams/mn/get_data.py
+++ /dev/null
@@ -1,74 +0,0 @@
-#!/usr/bin/env python3
-
-import requests
-import json
-import re
-
-with open("query.graphql") as f:
-    QUERY = f.read()
-
-PAYLOAD = [
-    {
-        "query": QUERY,
-        "variables": {
-            "input": {
-                # Cover the whole state (this is pretty overkill, admittedly)
-                "north":53.23294,
-                "south":40.40589,
-                "east":-78.6823,
-                "west":-107.24675,
-                "zoom":9,
-                "layerSlugs": ["normalCameras"],
-                "nonClusterableUris": ["dashboard"]
-            },
-            "plowType":"plowCameras",
-        }
-    }
-]
-
-res = requests.post('https://511mn.org/api/graphql', json=PAYLOAD)
-res.raise_for_status()
-
-camera_views = res.json()[0]['data']['mapFeaturesQuery']['mapFeatures']
-
-cameras = []
-
-viewCount = 0
-
-for c in camera_views:
-    if len(c['features']) != 1:
-        print(c)
-        raise Exception(f"Unexpected number of features: {len(c['features'])}")
-    
-    if re.match(r"Show .* cameras", c['tooltip']):
-        raise Exception(f"Not zoomed in enough! Finding aggregate cameras: {c}")
-
-    for view in c['views']:
-        if len(view['sources']) != 1 if view['category'] == 'VIDEO' else 0:
-            print(view)
-            raise Exception(f"Unexpected number of sources ({len(view['sources'])})")
-        for source in view['sources'] or []:
-            if source['type'] != 'application/x-mpegURL':
-                raise Exception(f"Unexpected type {source['type']}")
-
-    viewCount += len(c['views'])
-    cameras.append({
-        "type": "Feature",
-        "geometry": c['features'][0]['geometry'],
-        "properties": {
-            'address': c['tooltip'],
-            'website': c['views'][0]['url'],
-            'originalData': c,
-        },
-    })
-
-geojson = {
-    "type": "FeatureCollection",
-    "features": cameras,
-}
-
-with open("data.geojson", "w") as f:
-    f.write(json.dumps(geojson))
-
-print(f"{len(cameras)} locations found")
-print(f"{viewCount} total views")
diff --git a/layers/dot-cams/mn/layer.js b/layers/dot-cams/mn/layer.js
deleted file mode 100644
index bf985d2..0000000
--- a/layers/dot-cams/mn/layer.js
+++ /dev/null
@@ -1,55 +0,0 @@
-import VectorLayer from 'ol/layer/Vector';
-import {Vector as VectorSource} from 'ol/source.js';
-import GeoJSON from 'ol/format/GeoJSON.js';
-
-import Hls from 'hls.js';
-
-import {Style} from 'ol/style.js';
-import Icon from 'ol/style/Icon.js';
-
-import url from './data.geojson?url'; // TODO: remove `?url`?
-import pin from './pin.svg?url'; // TODO: remove `?url`?
-
-const vectorLayer = new VectorLayer({
-    source: new VectorSource({
-        url: url,
-        format: new GeoJSON,
-    }),
-    style: new Style({
-        image: new Icon({
-            anchor: [0.5, 1],
-            src: pin,
-        }),
-    }),
-});
-
-vectorLayer.customPopup = function(feature) {
-    const view = feature.values_.originalData.views[0];
-    if (view.category.toLowerCase() == "video") {
-        return `<video style="max-width: 80vw; max-height: 80vh;" id="popupVideo" autoplay controls></video>`;
-    } else if (view.category.toLowerCase() == "image") {
-        return `<img style="max-width: 80vw; max-height: 80vh;" src="${view.url}">`;
-    } else {
-        throw new Exception(`unknown category ${view.category}`);
-    }
-};
-
-vectorLayer.customPopupCallback = function(feature) {
-    const view = feature.values_.originalData.views[0];
-    if (view.category.toLowerCase() == "video") {
-        const video = document.getElementById('popupVideo');
-
-        const videoSrc = view.sources[0].src;
-        if (Hls.isSupported()) {
-            var hls = new Hls();
-            hls.loadSource(videoSrc);
-            hls.attachMedia(video);
-        }
-        // iDevice support, untested (only works in Safari; required for iPhones)
-        else if (video.canPlayType('application/vnd.apple.mpegurl')) {
-            video.src = videoSrc;
-        }
-    }
-}
-
-export default vectorLayer;
diff --git a/layers/dot-cams/mn/pin.svg b/layers/dot-cams/mn/pin.svg
deleted file mode 100644
index fb93212..0000000
--- a/layers/dot-cams/mn/pin.svg
+++ /dev/null
@@ -1,21 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<svg
-   viewBox="0 0 384 512"
-   width="40px"
-   height="30px"
-   version="1.1"
-   xmlns:xlink="http://www.w3.org/1999/xlink"
-   xmlns="http://www.w3.org/2000/svg"
-   xmlns:svg="http://www.w3.org/2000/svg">
-  <!--! Font Awesome Pro 6.0.0 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license (Commercial License) Copyright 2022 Fonticons, Inc. -->
-  <path
-     d="m 384,192 c 0,87.4 -117,243 -168.3,307.2 -12.3,15.3 -35.1,15.3 -47.4,0 C 116.1,435 0,279.4 0,192 0,85.96 85.96,0 192,0 245.96029,0 294.73775,22.275796 329.62577,58.136607 363.27205,92.721042 384,139.94065 384,192 Z"
-     style="fill:#000;fill-opacity:1" />
-  <g transform="translate(-10 -52.362) scale(0.4)">
-    <g transform="matrix(1.1311 0 0 1.1311 -76.881 -20.513)">
-      <rect style="stroke:#ffffff;stroke-width:7.7518;fill:#ffffff" ry="57.185" height="337.9" width="560.25" y="363.1" x="233.88" />
-      <rect style="stroke:#ffffff;stroke-width:7.2923;fill:#ffffff" ry="40.515" height="81.03" width="241.25" y="310.54" x="389.61" />
-    </g>
-      <path style="stroke:#000000;stroke-width:32;fill:#00000000" d="m508.57 188.08c0 32.348-26.223 58.571-58.571 58.571s-58.571-26.223-58.571-58.571 26.223-58.571 58.571-58.571c32.339 0 58.559 26.209 58.571 58.548" transform="matrix(1.4504 0 0 1.4504 -257.49 -204.11) matrix(1.274 0 0 1.274 -47.288 304.47)" />
-  </g>
-</svg>
diff --git a/layers/dot-cams/mn/query.graphql b/layers/dot-cams/mn/query.graphql
deleted file mode 100644
index 8c53b14..0000000
--- a/layers/dot-cams/mn/query.graphql
+++ /dev/null
@@ -1,45 +0,0 @@
-query MapFeatures($input: MapFeaturesArgs!, $plowType: String) {
-  mapFeaturesQuery(input: $input) {
-    mapFeatures {
-      bbox
-      tooltip
-      uri
-      features {
-        id
-        geometry
-        properties
-      }
-      ... on Event {
-        priority
-      }
-      __typename
-      ... on Camera {
-        views(limit: 5) {
-          uri
-          ... on CameraView {
-            url
-            sources {
-              type
-              src
-            }
-            title
-          }
-          category
-        }
-      }
-      ... on Plow {
-        views(limit: 5, plowType: $plowType) {
-          uri
-          ... on PlowCameraView {
-            url
-          }
-          category
-        }
-      }
-    }
-    error {
-      message
-      type
-    }
-  }
-}