Do the incident markers reload automatically?

No, you have to press refresh right now. The markers will reload automatically in the future.

How often is the map updated?

Every minute.

Where does the incident data come from?

See the CHP Traffic Incident Information Page.

How long do incident markers persist on the map?

45 minutes.

I only see basic details about the incident...I thought CHP provided more detailed incident call reports?

The addition of detailed call information is being explored.

How can I get a Google Street View of a particular location on the map?

Drag the Street View "guy" on the bottom right of the map to the area you want to view.

If the area is highlighted blue, that means a Google Street View is available.

How do I navigate the Google Map?

Tap on a red marker to reveal incident details.

On a smartphone, use pinch multi-touch to zoom in and out.

On a desktop, double click to zoom-in. CTRL + double click to zoom-out.

What are the Terms of Service?

Although the service tries its best, CHPmap.com is presented with no warranty or guarantee of accurate information.

Incidents you may be familiar with may not show up on the map for three main reasons:

1. CHP occasionally does not specify a unique ID for a posted incident, making it difficult for a computer to track.

2. CHP does not publicly post about traffic incidents that involve criminal activity.

3. Although rare, the data feed from CHP may be subject to unannounced downtime.

If you try to scrape the content of CHPmap.com with a computer program, you will be banned.

Do I need to have JavaScript enabled to use this site?

Yes, JavaScript must be allowed originating from CHPmap.com, maps.googleapis.com, and cdn.ampproject.org.

JavaScript originating from www.google-analytics.com is optional and helps to improve CHPmap.com

I have an iOS device, is there a similar app to CHPmap.com?

Yes, CHP Traffic and Fire Incidents.

What does CHP stand for?

CHP stands for California Highway Patrol.

Is this website affiliated with California Highway Patrol (CHP) or Google?


Is there a Privacy Policy?

Yes, see the Privacy Policy.