Summary

Traffic calming and intersection fixes

San DimasJan 21, 20263 min read

At a glance

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Staff advanced a series of traffic-safety responses, including speed feedback trailers, new warning signs, and additional enforcement requests, while leaving Via Vaquero’s 25 mph limit unchanged.

Committees mentioned

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Traffic Safety Committee

Topics discussed

TransportationPublic Safety

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What this means

The committee reviewed multiple resident complaints about speeding, stop signs, and signal timing across San Dimas. Staff will test speed feedback trailers on San Dimas Avenue, Monte Vista Avenue, and Walnut Avenue, and ask for more Sheriff’s enforcement in several locations. The committee also directed new warning signs and intersection improvements at places including Fifth and Monte Vista, Lone Hill and Cypress, and several shared intersections with LA County. One request to lower the speed limit on Via Vaquero was denied, and the current 25 mph limit will stay in place.

Key decisions

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Speed feedback trailers will be placed on San Dimas Avenue, Monte Vista Avenue, and Walnut Avenue.
Additional Sheriff’s enforcement was requested for several speeding concerns.
Warning signs will be added at Fifth & Monte Vista and Third & Monte Vista.
Additional 35 mph speed limit signage will be installed north of Via Vaquero on San Dimas Avenue.
Intersection improvements were directed for Lone Hill Ave & Cypress St, including stop-sign enhancements and added warning devices.
Via Vaquero’s speed limit will remain 25 mph; no further action was taken.
Staff will coordinate with Metro on signal timing at the San Dimas Ave railroad crossing and post safety information online.
Staff will forward revised parking restriction materials to the school district for review before installation.
Letters will be sent regarding several shared stop-sign intersections, including locations involving LA County and the City of Covina.

Timeline & follow-ups

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Meeting information

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Traffic Safety Committee Meeting

Jan 21, 2026, 5:30 PMTRAFFIC SAFETY COMMITTEE, MEETING AGENDA, WEDNESDAY JANUARY 21, 2026 9:30 AM, SAN DIMAS COUNCIL CHAMBER CONFERENCE ROOMcompleted

Agenda

Shari Garwick (Director of Public Works), Steve Barragan (Engineering Manager, Public Works Dept.), Esau Ramos (Manager, Maintenance Yard), Sergeant Caamal (San Dimas Sheriff’s Department), Ruben Perales (Traffic Engineer), Rose Lee (BUSD Manager of Special Assignments), Genevieve Amaro (Management Aide, Public Works Dept.)
Decision: COMMITTEE MEMBERS
01-26-01 Speed concern on San Dimas Ave (southbound) Request from resident, concerned about vehicles appearing to travel at speeds beyond the posted speed limit. 01-26-02 Speed concern down Monte Vista between Fifth & Bonita (southbound) Request from resident, concerned about vehicles appearing to travel at speeds beyond the posted speed limit. 01-26-03 Fifth & Monte Vista/ Third & Monte Vista Request from resident, to review intersections. 01-26-04 San Dimas Ave just north of Via Vaquero Request from resident, for additional 35 mph speed sign to be installed on northbound San Dimas Ave. 01-26-05 Lone Hill Ave & Cypress Street intersection review Request from staff, to review intersection. 01-26-06 Request to review current speed limit on Via Vaquero Request from resident, to lower speed limit on Via Vaquero. 01-26-07 Review of Parking Prohibition staff report Request from staff, reviewing staff report. 01-26-08 Concern regarding signal timing on San Dimas Ave at Railroad Crossing north of Commercial Street (e-mail) Request from resident, review signal timing on San Dimas Ave at Railroad Crossing. 01-26-09 Review Amelia and Auto Center/Allen Ave Request from resident, to review intersection.
Decision: DISCUSSION ITEMS
11-25-01 Reeder & Renshaw Stop Sign Request from Resident, to upgrade to LED Sign 11-25-03 San Dimas Canyon Road and Gladstone St Stop Sign Request from LA County, to review intersection 11-25-04 Valley Center Rd & Cienega Ave Stop Sign Request from Resident, to consider installing LED Stop Sign. 11-25-05 Baseline Road Speed Limit Concern Request from Resident, review Baseline Road speed limit from Amelia Avenue to San Dimas Avenue 11-25-08 Valley Center Ave & Covina Blvd Request from Resident, to review intersection.
Decision: CONTINUED ITEMS