ANTIOCH -- Starting next month there will be seven projects going on aimed at improving transportation in the growing East Contra Costa region.

The projects total $1.3 billion, with road work anticipated to be completed by mid-2015. BART is expected to start its service to Antioch in 2017.

Here is the work is being done on each of the five segments for the Highway 4 widening project from Loveridge Road in Pittsburg to Highway 160, the widening at Sand Creek Road and eBART:

  • Loveridge to Somersville: Contractors are working on a bridge at Loveridge that goes over the freeway, along with on- and offramps. Work also continues on the bridge over Century Boulevard. Estimated completion date: summer 2014, though some parts may open sooner.

  • Somersville to Contra Loma: Work continues on a new highway bridge over Somersville and retaining walls. Estimated completion date: summer 2013, but cannot open until Loveridge lanes are opened.

  • Contra Loma to Lone Tree: Half of the G Street bridge has been replaced, with construction on the other half of the bridge starting next month. Lots of creek work was recently completed. Estimated completion date: late summer 2015.

  • Lone Tree to Hillcrest: Work is begin done on retaining walls and preparation work is underway for widening the road and a new bridge over Cavallo Road. Estimated completion date: late summer 2015.


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  • Hillcrest to Highway 160: Widening work starts in March. Estimated completion date: November-December 2015.

  • Sand Creek: Work continues on overpasses at Sand Creek, San Jose Avenue and Lone Tree Way. Estimated completion date: spring 2014.

  • eBART: Contractors are leveling the parking lot of the Antioch-Hillcrest BART station and completing a transfer station in Pittsburg. Estimated completion date: 2017.

    Contact Paul Burgarino at 925-779-7164. Follow him at Twitter.com/paulburgarino.