Contra Costa Air Quality

On Monday, May 22nd, Contra Costa County will host a community workshop on the I-680/Treat Boulevard Bicycle and Pedestrian Improvement Plan. The goal is to identifiy improvements to serve bicyclists and pedestrians using the Treat Boulevard/I-680 corridor between the Iron Horse Trail, through the Interstate-680 (I-680) over-crossing near the Contra Costa Centre/Pleasant Hill BART station area, and extending west to Geary Road/North Main Street in the City of Walnut Creek. Since the I-680/Treat Blvd overcrossing is one of the main arteries into the Contra Costa Centre/Pleasant Hill BART area from areas of Walnut Creek west of the freeway, residents and commuters are encouraged to attend this meeting and give feedback.... 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
The Bay Area Infrastructure Financing Authority (BAIFA) is working closely with Caltrans to convert the existing HOV lanes on I-680 into express lanes from Rudgear Road to Alcosta Blvd. in the southbound direction and from Alcosta Blvd. to Livorna Road in the northbound direction.  Like existing HOV lanes, express lanes are FREE for carpools, vanpools, buses and other eligible vehicles while allowing solo drivers to use the lanes for a toll.... Read the rest
Are you in one of the 170,000 vehicles that passes across I-680 every day? Is your suspension still reeling from the potholes and cracks? You’re in luck. Caltrans began work in January rehabilitating 12.8 miles of freeway from Alcosta to Rudgear. Caltrans is also expanding the HOV lane on the southbound side about one mile form Livorna Road to just short of Rudgear Road. Both projects are expected to finish in spring 2012.... Read the rest
This weekend, July 17 and 18, BART and Caltrans will close a portion of Interstate 580 and 680 between Dublin and Pleasanton. Crews will be working to complete installation of pedestrian bridges that will provide access to the new West Dublin station. Eastbound I-580 from the San Ramon/Foothill Road exit will be closed and on the I-680 interchange, partial lane closures will begin at 11 p.m. each Saturday night. The lanes will be completely closed from 2-6 AM each Sunday and will resume with partial closures until 9 AM.... Read the rest
“Am I going to get pulled over? I see a lot of CHP officers on I-580 and I-680…” According to a recent column in the Contra Costa Times: Since January of 2010, the CHP has deployed speed teams six times in Contra Costa County and written about 1,000 speed citations. The teams target violations that play a large role in collisions, such as speeding, tailgating and driving under the influence. However, the teams have been operating for years and target different spots along the highway.... Read the rest