Data Sources & Licensing
| Information | Source | Update Frequency | Type | Notes |
|---|---|---|---|---|
| Highway Cameras (CCTV) | Highway Bureau, MOTC | Images update about every minute | Live Images | Browser loads directly from the Highway Bureau; this site checks availability hourly |
| New Taipei City Camera (County Road 106, Shiding Archway) | Department of Transportation, New Taipei City Government | Live Stream | Live Images | If playback fails, view on the provider's website |
| YouTube Live Streams | Yangmingshan National Park Headquarters, national scenic area headquarters under the Tourism Administration, and Forestry and Nature Conservation Agency; South Bay stream is from a guesthouse | Live Stream | Live Images | Uses the official embedded YouTube player; Tourism Administration live stream URLs update daily from the TDX attraction camera feed |
| Temperature, Humidity, Wind Speed | CWA Automatic Weather Stations | Hourly (typically published about 1 hour later) | Real-Time Observation | Stations are not at road level; mountain temperatures may differ significantly |
| Rainfall | CWA Rain Gauge Stations | Every 10 minutes | Real-Time Observation | Rainfall accumulated over the past 1 and 3 hours |
| Wind Direction | CWA Automatic Weather Stations | Hourly | Real-Time Observation | Mean wind direction; most route stations do not report gusts, so mean wind speed is shown |
| Upcoming Rain Probability (Route Pages) | CWA Township Forecast (3-hour intervals) | Published about every 6 hours; compiled here every 15 minutes | Forecast | Matched to the township of each camera or station |
| Base Map (Route Pages) | OpenStreetMap Contributors | Loaded only after selecting Show Map | Map | Pins mark cameras and weather stations |
| Gas Stations, Convenience Stores, Restaurants, Attractions on Route Maps | OpenStreetMap Contributors | Updated Periodically | Static Data | Only locations near the route line (gas within 300 m, stores 200 m, restaurants 150 m, attractions 400 m); at most two stores or restaurants in each urban subarea; business hours not verified |
| Route Geometry and Elevation Gain | OpenStreetMap road network, AWS Terrain Tiles elevation data / Site calculations | Recalculated when routes change | Site Estimate | Only covers the first-to-last camera or station; terrain resolution approx. 30 m; tunnel and bridge elevations interpolated; slope changes above 12 percent filtered as noise; ascent/descent estimated and rounded to 50 or 100 m; unavailable for routes without reliable geometry |
| Estimated Road Surface Moisture | OmniRadar | Updated with Rainfall Data | Site Estimate | Estimated from nearby rain gauges, not measured at the road surface |
| Icing / Snow Alerts (Mountains) | OmniRadar | Updated with Temperature and Humidity | Site Estimate | Temperature below 2°C and humidity above 80 percent; no assessment if data is more than 3 hours old |
| Rider Reports (Road Routes) | Signed-In Riders | Anytime; others may see reports up to 5 minutes later | User Report | Not official data; display time depends on other riders' +1/-1 votes; reports expire automatically |
| Road Restrictions and Access Limits | Highway Bureau, MOTC | Per Official Notice | Official Notice | Standing restrictions are manually compiled with verification dates; check Highway Bureau website for live closures |
| Tides (High, Low, Water Level) | CWA Tide Forecast | Daily | Forecast | Rising/falling tide, countdowns, and water-level graph are calculated from the forecast |
| Wave Height, Sea Temperature, Offshore Wind | CWA Data Buoys | Hourly | Real-Time Observation | Buoys are approximately 9–19 km from coastal locations |
| UV (Mountains) | CWA Weather Stations | Hourly | Real-Time Observation | No station at Hehuan or Taipingshan; Yushan and Yilan are used as references |
| Sunrise and Sunset | CWA Astronomical Data / Site Calculation | Daily | Forecast | Calculated from site coordinates and cross-checked with CWA city/county data |
Items labeled "Site Estimate" are calculated by OmniRadar from observations, not measured directly on the road. Each page shows observation or update times; outdated data is excluded from assessments.
Licensing
- Highway Bureau "Provincial Highway Traffic Control Roadside Equipment Data" and the CWA Open Data Platform: Open Government Data License, Version 1.0.
- Some road-condition data is accessed through the MOTC TDX platform.
- Image copyrights belong to the providing agencies or channels. This site does not store or rebroadcast footage.