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August 1, 2017 > City of Fremont implements longer yellow times

City of Fremont implements longer yellow times

Submitted By Cheryl Golden

During the week of July 31, 2017, the City of Fremont Public Works Department is adjusting the yellow timing for traffic signals across the city to comply with State of California requirements that go into effect on August 1, 2017. The City of Fremont operates traffic signals at a total of 175 intersections.
This effort is similar to FremontÕs action taken in 2015 to adjust yellow timing for traffic signals having automated red light enforcement cameras in order to comply with the changes in State law at the time. Fremont operates red-light cameras at 10 locations.
Most of the yellow time changes are along major streets with speeds higher than 35 miles per hour. For example, the yellow time for left turn movements increased from 3.5 seconds to 4.0 seconds along higher speed roadways. On Auto Mall Parkway, the yellow time for through traffic increased from 4.7 seconds to 5.0 seconds.
At two locations, the yellow time decreased slightly. On Mowry Avenue at Farwell Drive and Blacow Road, the yellow time was adjusted from 4.7 seconds to 4.5 seconds. Both intersections have red-light cameras. The reduction in yellow time was made to correct a previous excessive allocation of yellow time for these intersections and to provide a consistent amount of yellow time along the Mowry corridor at multiple intersections. As a result, red-light camera citations will not be issued for violations occurring in the 4.5 to 4.7 second range during a two-month period. However, if someone runs the red light in excess of 4.7 seconds, they may receive a red-light camera citation even during the two-month period.
Fremont is also taking additional steps to enhance safety by increasing minimum yellow times for major streets to the nearest half-second, and by ensuring uniformity in yellow times along a corridor. Some roadway corridors like Mowry Avenue have a variation in operating speeds, which can cause differences in minimum yellow times. Where this occurs, Fremont has increased yellow times to achieve corridor consistency. Overall, the increase in yellow time is expected to enhance traffic safety and aligns with FremontÕs Vision Zero goals to eliminate traffic fatalities.
To learn more about FremontÕs traffic signals visit

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