project – 511 Contra Costa

Construction Starts Mid-May 2017: Lafayette BART Station – North Lots

Starting in mid-May 2017, construction work will begin on the northern parking lots of the Lafayette Station as part of the Station Site Improvements Project.
The work will take approximately 8 months and be completed in two phases. Phase 1 will include the temporary relocation of the ADA lot and intermodal zone. Phase 2 will include the temporary relocation of the permit lot adjacent to Happy Valley Rd.
The entrance to the north side of the Lafayette BART station will remain open during construction.
While construction is taking place, you can use County Connection bus routes 6 and 25 to get to the station. For more information go to: https://countyconnection.com/maps-schedules/
For more details about the project, visit BART’s project information page.

Southbound I-680 Marina Vista Ramp Closure: May 4 – October, 2015 (Martinez)

On May 4, a closure and detour will go into effect for the southbound I-680 Marina Vista/Waterfront Rd off-ramp in Martinez. The closure will remain in effect until October 2015. Between April and October, a seismic retrofit will be performed on the Mococo Overhead Bridge and the I-680 off-ramp will be replaced.
During the closure, southbound I-680 traffic will detour to the Arthur Road interchange, exit and cross under the freeway, return to northbound I-680, and exit at Marina Vista/Waterfront Road. Marina Vista and Waterfront Road will remain open during the extended ramp closure.
Please allow extra travel time when driving through this area and make sure to Slow for the Cone Zone. For more information about the project, visit the Caltrans Mococo Overhead Bridge Project webpage.
NOTE: Post edited to reflect postponement of closure to Monday, May 4.

Advisory: I-680 Mococo Overhead Bridge Project Lane & Ramp Closures (Mar. 2015)

CaltransHorizCaltrans District 4 has scheduled the following lane and ramp closures for the Interstate 680 Mococo Overhead Bridge Rehabilitation Project:
On-Ramp Closures
The Marina Vista on-ramp to southbound I-680 will be closed:

  • Thursday night, March 26, from 6pm-6am
  • 6pm Friday night, March 27 until 12pm Saturday, March 28

Lane/Shoulder Closures at the Marina Vista/Waterfront Road Interchange:

  • One northbound lane will be closed from 8pm Friday, March 27 to 5am Monday, March 30
  • The left shoulder of southbound I-680 will be closed from 8pm Friday, March 27 through 5am Monday, March 30

Upcoming Closure of Southbound I-680 Off-Ramp to Marina Vista/Waterfront Road
In late April 2015 Caltrans will close the southbound off-ramp from I-680 to Marina Vista/Waterfront Road. The closure will remain in effect for about five months while the contractor removes the old off-ramp structure and builds a new structure.

  • Detour: During this closure, southbound I-680 traffic will detour to the Arthur Road interchange, exit and cross under the freeway, return to northbound I-680, and exit at Marina Vista/Waterfront Road
  • Marina Vista and Waterfront Road will remain open during the extended ramp closure

Please drive cautiously through the construction zone, follow the directions of flaggers, leave a safe traveling distance between your vehicle and the vehicle ahead of you, and Slow for the Cone Zone. The California Highway Patrol will be on site during these closures.
For more information about the project visit the Caltrans I-680 Mococo Bridge Rehabilitation Project page.