You can use RitMeister with Waze.
Get the best route, every day, with real–time help from other drivers.
Waze is the world’s largest community-based traffic and navigation app. Join other drivers in your area who share real-time traffic and road info, saving everyone time and gas money on their daily commute.
WAZE. OUTSMARTING TRAFFIC, TOGETHER.
See also www.waze.com