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Posted on: June 6, 2019

Napa Roundabouts: Updates

Roundabouts Project Drivers View of Landscape

August 27, 2019 - Caltrans is scheduled to remove the traffic signal light at the intersection of First Street and California Boulevard in Napa the second week of September 2019 to accommodate construction on one of three roundabouts west of downtown Napa.

The closure of California Boulevard at First Street is planned to begin the week of September 9 and will reopen by late December. Detours will be in place. Motorists are encouraged to use alternative routes. Should drivers travel through the construction area, delays are expected and drivers should exercise caution.

Detour Details

•    Eastbound on First Street from State Route 29 (SR-29) will be able to make a right turn on California Boulevard going south to get to Second and Third streets.

•    California Boulevard southbound will turn left at Clay Street, then right at Seymour Street, then right at Third Street. Detour ends at California Boulevard.

•    California Boulevard northbound will turn right at Second Street, then left at Seymour Street, then left at Clay Street and detour ends at California Boulevard.

•    First Street westbound will turn right at Walnut Street, left on Clay Street and detour ends at California Boulevard.

For more information, visit the Napa Roundabout Webpage at https://bit.ly/341VNlL


August 6, 2019 - Caltrans has announced upcoming detours as the next phase of the Napa Roundabouts project gets underway in the coming weeks. While the actual start date for this round of changes has yet to be announced by Caltrans, "the 'essential shutdown' of First at California will begin later this month, with the goal of having the first of the new roundabouts operating by Christmas, said Eric Whan, the city of Napa’s deputy public works director. Read more from the Napa Valley Register: https://napavalleyregister.com/news/local/motorists-brace-yourselves-major-detours-coming-to-napa-s-triple/article_c79b2c65-09b1-508d-b10d-a1b2b89a3147.html#tracking-source=home-top-story 


June 19, 2019 - Caltrans is scheduled to close the northbound First Street onramp to northbound State Route 29 (SR-29) in downtown Napa this week, lasting approximately through August 30.

Roundabouts Detour MapThe ramp is scheduled to close at 8:00 AM Wednesday, June 19, remaining closed until August 30 of this year to accommodate construction at the northwest corner of the intersection of First Street and California Boulevard in Napa.

A detour will be in place to help motorists on northbound First Street to get onto the onramp to northbound SR-29. Detour signs will be in place to guide traffic to the detour (see map).

Also, southbound California Boulevard at Second Street will be reduced from two lanes to one lane to accommodate construction at the northwest corner of California Boulevard and Second Street. This lane reduction will begin at 8:00 AM Wednesday, June 19, and will be in place up until early fall of this year.

The purpose of the ramp closure and the lane reduction is to accommodate construction on one of the three roundabouts that will be installed in the project. Work on the three roundabouts is expected to conclude in 2020.

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For 24/7 traffic updates, please visit 511.org: https://twitter.com/511SFBay

For real-time information, please visit Caltrans QuickMap: http://quickmap.dot.ca.gov

Or follow Caltrans on Twitter at: https://twitter.com/CaltransD4


June 10, 2019 - Caltrans is scheduled to perform daytime road work on California Boulevard in Napa between Clay Street and First Street Tuesday, June 11 through Friday, June 14. The southbound lane of California Boulevard will be temporarily closed between Clay and First to accommodate the work and a detour will be in place.

The work is scheduled to take place between 8:00 AM and 5:00 PM starting Tuesday, June 11 and ending at 5:00 PM Friday, June 14. Motorists who wish to proceed northbound on California Boulevard may do so. The northbound lane will remain open.

A detour will be in place (see map). The purpose of the closures is to accommodate work on three roundabouts that will be installed in the area. The temporary daytime southbound lane closures are scheduled to conclude on June 14. Work on the three roundabouts is expected to conclude in 2020. Learn more about the Project here, including a cool simulation of the Napa Roundabouts, FAQs from the Insurance Institute for Highway Safety and more: https://www.cityofnapa.org/…/State-Route-29California-Boule… 

For 24/7 traffic updates, please visit 511.org: https://twitter.com/511SFBay

For real-time information, please visit Caltrans QuickMap: http://quickmap.dot.ca.gov

Or follow Caltrans on Twitter at: https://twitter.com/CaltransD4


#BeWorkZoneAlert


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June 3, 2019 - Caltrans, the City of Napa and the Napa Valley Transportation Authority (NVTA) broke ground on Monday, June 3, on the first roundabouts to be constructed in Napa Valley. Three roundabouts will be constructed on State Route 29 (SR-29) in the City of Napa near First Street and California Boulevard, converting existing traffic signals and stop signs to roundabouts.

“Roundabouts provide critical solutions to two major transportation needs: easing traffic congestion and improving public safety,” said Caltrans Bay Area Director Tony Tavares. “This partnership project makes travel safer and more enjoyable for drivers and pedestrians and is emblematic of Caltrans’ mission to improve livability for California’s residents and visitors.” 

The project will construct one roundabout at the intersection of the northbound SR-29/SR-128 off-ramp at First Street, another at the intersection of First Street and California Boulevard, and a third roundabout at the intersection of second Street and California Boulevard. The roundabouts will also improve mobility for pedestrians with new sidewalks, ADA upgrades and pedestrian crossing lights.

In a collaborative effort, Caltrans and the City of Napa are working together on the design and construction of these roundabouts with the shared goal of creating a fluid system and increasing public service.  

“I am excited that through creativity, collaboration and cooperation, we made this project happen,” said Napa Mayor Jill Techel. “Our community will benefit from improved safety and ease of travel through one of our most well-traveled intersections and streets.”

Kate Miller, Executive Director of the NVTA, said, “The Napa Valley Transportation Authority is proud to partner with Caltrans and the City of Napa on the SB-29/California/1st and 2nd Street roundabouts. “The NVTA has contributed $4 million in state and federal highway funds to the project,” Miller added. Describing the project as “transformative for Napa,” Miller added that the roundabout will greatly improve the operations and safety at these intersections, “significantly improving traffic flow through the area and creating a statement gateway to downtown Napa.”

Caltrans, the City of Napa and NVTA thank residents and visitors in advance for their patience during upcoming construction. Traffic delays should be expected during construction of the roundabouts due to construction staging requiring several changes to traffic patterns.  Bicycle traffic will be sharing the main traffic lanes within the project limits.  

The project cost is an estimated $19.3 million. Construction work is beginning in June 2019 with anticipated completion in fall of 2020.

Learn more about the project here.


Project Contacts:

Janis Mara, Caltrans District 4

(510) 622-5978

Janis.Mara@dot.ca.gov


Jaina French, City of Napa

(707) 258-7843

jfrench@cityofnapa.org



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