Overnight closures are planned on state Highway 4 in Antioch and
Oakley this week for construction work on connector ramps between Highway 4
and state Highway 160, according to a spokesman for the project.
Over a mile of westbound Highway 4 between Laurel Road and the
Highway 160 on-ramp will be closed from 10 p.m. today to 4 a.m. Wednesday and
during the same hours from Wednesday night to Thursday morning, according to
Senior Project Engineer Ken Lee.
During the closures, construction crews will work on two new
connector ramps - one from westbound Highway 4 to northbound Highway 160 and
another between southbound Highway 160 and eastbound Highway 4.
Signs in the area will direct drivers to detour routes during the
The new connector ramps are part of ongoing improvements to
Highway 4 by the California Department of Transportation and the Contra Costa
Lee said the ramps should be completed by late 2015.