The Real-time Congestion Map
WTOP, the premier traffic and news radio station in the Washington DC market, hosts a real-time congestion map showing current traffic conditions on Northern Virginia freeways. This map is generated using Trichord's traffic data. For the best traffic reports, listen to WTOP on 1500 AM, 107.7 FM, and 820 AM, or visit WTOPnews.com and click on Traffic.
The Virginia Department of Transportation also hosts our Real-time Congestion Map at www.VirginiaDOT.org. 
The Real-time Congestion Map
on WTOPnews.com
