District: 4 - Oakland
Contact: Allyn Amsk
Phone: (510)
286-5445
FOR IMMEDIATE
RELEASE
CALTRANS PARTNERS WITH THE
CONTRA COSTA TRANSPORTATION AUTHORITY TO IMPROVE MOBILITY IN CONTRA COSTA
COUNTY
CONTRA COSTA COUNTY – The California Department of Transportation
(Caltrans) and the Contra Costa Transportation Authority (CCTA) announced today
that construction has begun for the Interstate 680 Auxiliary Lanes Improvement
Project in Danville and San Ramon.
I-680
will be widened approximately 12-feet in both the northbound and southbound
directions between Sycamore Valley Road and Crow Canyon Road. The widening will
occur on the outside of the freeway, in the shoulder area. To accommodate this
widening and not impact adjacent properties, retaining walls will be
constructed in areas where steep slopes exist. Lanes will be shifted to the median and the roadway restriped so
that work can take place on the shoulder behind K-rail concrete barriers.
In order to shift lanes,
place K-rail, and perform other construction activities, there will be various
lane closures for the next few weeks, Monday night through Thursday night, from
8 p.m. to 5 a.m., and Friday night from 8 p.m. to 8 a.m. Other activities will
take place during the day, behind the K-rail.
Full closures of the
northbound I-680 on-ramp at Crow Canyon Road and the northbound I-680 off-ramp
at Sycamore Valley Road are scheduled for Thursday night, March 28, from 10
p.m. to 4 a.m. The southbound I-680 on-ramp at Sycamore Valley Road is
scheduled to be closed Tuesday night, April 2, from 10 p.m. to 4 a.m. Please
note that work is weather dependent. If
work is cancelled due to weather conditions, it will be rescheduled.
“Caltrans is committed
to improving mobility throughout California,” said Caltrans District 4 Director
Bijan Sartipi. “With this project we continue our successful partnership with
the Contra Costa Transportation Authority.”
The
project includes reconstruction of existing soundwalls on northbound I-680
between Fostoria Way and Sycamore Valley Road. A new soundwall will be
constructed on southbound I-680, approximately 600 feet north of the Greenbrook
overcrossing and will extend for 1500 feet to the north. Once roadway construction
is complete, landscaping will be replanted along the entire project area.
"This project
serves as a strong validation for Contra Costa County voters, who passed
Measure J in 2004 to pay for transportation improvements in the county,” said Randell
Iwasaki, Executive Director for the Authority.
The
first segment of the I-680 Auxiliary Lanes Improvement Project was constructed
and opened to traffic in 2006, and created auxiliary lanes in the Town of
Danville between Diablo Road and Sycamore Valley Road. In 2007, auxiliary lanes
were completed in the City of San Ramon between Crow Canyon Road and Bollinger
Canyon Road. This final segment of auxiliary is expected to open to traffic in
2014. Earlier this year, trees were removed from the project area in both
northbound and southbound directions to facilitate construction.
The contract was awarded
to Bay Cities Paving & Grading, Inc/Myers J.V. With approximately 15 subcontractors and ten
vendors, 100 jobs in Contra Costa County have been created as a result of this
project.
For more information
about this project, please visit CCTA’s website at http://www.ccta.net, or for
information about other State projects in the Bay Area, please visit the Caltrans
District 4 website at http://www.dot.ca.gov/dist4.
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