Top 10 Roads & Bridges Award
I-15 Express Lanes – San Diego
The San Diego Express is hitting the problems caused by congestion like a freight train. They have been reduced to nothing, thanks to the accelerated evolution of 21st century transportation management. When complete in 2012, the project will stretch 20 miles and carry such features as express and reversible lanes, direct-access ramps and electronic tolling. Sensors will monitor the flow of traffic to determine rates for congestion pricing, and a moveable barrier will allow for the contraction or expansion of northbound and southbound lanes.
Cost: $1.3 billion
Length: 20 miles
Designer: Caltrans
Contractors: Flatiron, Coffman Specialties, Transcore
Owner: Caltrans
