Contra Costa Air Quality

Click image to enlarge As part of the City’s Golf Club Road/Old Quarry Road Improvement Project, there will be road closures (near Diablo Valley College) between November 10 and November 19. Old Quarry Road Closure Old Quarry Road will be temporarily closed between Golf Club Road and Chilpancingo Parkway starting at 8 a.m. on November 10 (Friday) through 6 p.m. on November 12 (Sunday), and between 8 a.m. on November 17 (Friday) through 6 p.m.... Read the rest
Click to enlarge  As part of the City’s Golf Club Road/Old Quarry Road Improvement Project, the contractor will be eliminating one lane in each direction of travel along Old Quarry Road starting this Saturday (8/26), and will be restricting left turn movement into and out of Camelback Road from Old Quarry Road. This traffic control (see diagram above) is needed so the contractor can start demolition and work on the roundabout circle itself at the Old Quarry Road/Camelback Road intersection.... Read the rest
BART will be closing the Pittsburg Park & Ride starting Monday, May 15 for construction of the Pittsburg BART station. Duration of the closure is unknown. During the closure, Tri Delta Transit buses will not stop at this location. Buses cannot stop on Bliss Avenue. For details including alternate bus stops near the Park & Ride, click here.... Read the rest
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.... Read the rest
This weekend, Interstate 80 will be closed in both directions between San Pablo Ave and San Pablo Dam Rd for construction work. The closure will start 11pm Saturday, August 20th and end 7am Sunday, August 21st. Temporary detours will be in effect. For more information, visit: ccta.net/sanpablodamroad ... Read the rest
Overnight on Saturday, June 18, I-80 will be closed in both directions in the Richmond/San Pablo area for construction on the San Pablo Dam Road Interchange. The closure will be between San Pablo Ave and San Pablo Dam Rd and be in effect from 11pm Saturday, June 18 to 7am Sunday, June 19. Temporary detours will be in effect. For more details on the closure, please visit the San Pablo Dam Road Interchange information page.... Read the rest
A redesign for the I-80/San Pablo Dam Road interchange is in the works! The project will add roadway capacity, create a safer crossing for pedestrians and bicyclists, and improve the I-80 ramps at El Portal Drive and McBryde Avenue. The project is a collaboration between the Contra Costa Transportation Authority & City of San Pablo. For more information, click here or watch the video below.... Read the rest
Construction of a portion of the Bay Area Express Lanes on I-680 (between Walnut Creek and San Ramon) has begun and is scheduled to last approximately 15 months. Construction includes installation of variable message signs and overhead toll readers, concrete foundations for overhead freeway sign structures, and laying conduit and fiber optic communications cables for traffic management system communications. The Metropolitan Transportation Commission (MTC) is scheduling construction work so that it will have minimal impacts on traffic.... Read the rest
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.... Read the rest
Caltrans 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.... Read the rest