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Roundabout in the works for Yosemite Ave.
woodward roundabout
Shown is the roundabout at Oleander and Woodward Avenue

Manteca is planning on building a roundabout on Yosemite Avenue at Fishback Road west of Kaiser Hospital.

The city’s intention were noted in environmental documents for the proposed 62-unit Yosemite Apartment complex on the north side of East Yosemite Avenue between a truck yard at Kaiser Hospital.

There is no time table set for the roundabout construction.

It likely won’t occur until Fishback Road is extended north of Yosemite Avenue to eventually connect with Center Street.

Center Street will ultimately extend to Airport Way.

The approval of the apartment complex has a stipulation that the northwest corner of the intersection be designed to accommodate a roundabout. Similar requirements will be made on the other three corners as development occurs.

The existing T-intersection currently gets significant traffic twice a day when Sierra High is in session.

Unlike the city’s first roundabout on a major arterial that was placed on Louise Avenue between the Highway 99 overcrossing and Cottage Avenue, the Yosemite Avenue one will not be off-center.

It will be closer in design to the Grantline Road/Eleventh Street roundabout east of Tracy where a four-lane and two-lane roads intersect,

The south side of the Louise Avenue roundabout  was already developed with housing. That is why it was shifted to the north.

The city opted to still go with a roundabout despite the need to shift it that was predicated on the fact another traffic signal that close to Cottage and Louise would create significant traffic flow issues.

The Louise Avenue roundabout allows access for nearly 500 homes when The Collective is completed.

Roundabouts help keep traffic flowing while reducing extended waits at intersections that can be negative on air quality as idling vehicles are a large source of air pollution.

Traffic signals that now cost upwards of $750,000 to install are also more expensive than roundabouts. They also cost more to maintain.

Access to the Yosemite Avenue Apartments will be from Yosemite Avenue. A second access will be added when the city extends Fishback which would run between the eastern edge of the proposed apartment complex and Kaiser.

The plan calls for three buildings with 57,024 square feet. There will be 32 one-bedroom apartments and 30 two-bedroom units.

The complex will have 110 parking stalls. Of those 62 will be covered, 36 will be uncover and 12 will be dedicated to charging stations for electric vehicles.


To contact Dennis Wyatt, email