'Smart Highway' Coming to S.F. Bay Area

Government Technology: In hopes of easing the Bay Area's most jammed freeway, Caltrans will begin unveiling its Interstate 80 "smart highway" project within a few days, phasing in 20 miles' worth of electronic improvements from the Carquinez Bridge to the Bay Bridge.

The $79 million SMART Corridor project is the most intensive one in the state, with advanced metering lights and lane-closure warnings and even variable speed-limit signs that can be lowered to 55 mph, or 30 mph, or whatever conditions warrant.

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