CHULA VISTA, Calif. - A seven-mile stretch of Interstate 805 in the South Bay was shut down in both directions on Sunday for Caltrans' "DARmageddon" project.
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The closure stretches from state Route 54 to Interstate 905. It will last from 3 p.m. Sunday to 5 a.m. Monday.
The shutdown will allow crews to demolish the East Palomar Street Bridge to make way for a new "direct-access ramp" designed to allow drivers to easily merge into express lanes under construction along the north-south route.
Also, the so-called "DAR" connector eventually will provide convenient access to a planned transit station in the area, officials said.
"We came up with 'DARmageddon' because everyone already knows what 'Carmageddon' is," said Laurie Berman, Caltrans district director, referring to the freeway closures in Los Angeles.
On average, 141,000 vehicles travel that stretch of I-805 on any given day.
Cars will be re-routed west to Interstate 5 or east to state Route 125, where the toll will be waived, according to Caltrans.
The entire I-805 expansion project will cost an estimated $1.4 billion. The carpool lanes should be open by late 2014.