Seattle Traffic Flow Map

This app provides traffic flow maps for the seattle, tacoma and olympia area and allows you to pick your own colors for traffic conditions. Red lines = heavy traffic flow, yellow/orange lines = medium flow and green = normal traffic or no traffic*. Select a point on the map to view speeds, incidents, and cameras.

Maps artcc map faa center tracon north approach america tier seattle zab charts zse zfw zla east portland zlc routes. New app allows residents to. Create maps that show paths between origins and.

Plan fastest route and travel time via car or mass transit.

Traffic flow map & arterial class maps. Black lines or no traffic flow lines could indicate a closed road, but in most cases it means that either there is not enough vehicle flow to register or traffic isn't monitored. Email or text traffic alerts on your personalized routes. Average annual weekday traffic volumes used to produce the sdot traffic flow map.