Sigalert Sacramento County - Global Network
A sigalert is defined by the california highway patrol (chp) as any unplanned event that causes the closing of one lane of traffic for 30 minutes or more.
Jul 24, 2026
A sigalert is defined by the california highway patrol (chp) as any unplanned event that causes the closing of one lane of traffic for 30 minutes or more. Select a point on the map to view speeds, incidents, and cameras. Check conditions on key local routes.
Understanding the Context
Use our interactive traffic map to get the latest information. Select the area for which you want to view the current traffic conditions. If you don't see the city you are looking for, try choosing the closest city listed above and then drag the map with.