3788 McCray Street, Riverside, CA 92506 | P:951.686.1070 | F:951.788.1256 | www.webbassociates.com
Elizabeth Medina
Analyst I
City of Cathedral City
68-700 Avenida Lalo Guerrero
Cathedral City, CA 92234
RE: Prepare Citywide Traffic Engineering and Traffic Survey in the City of Cathedral City
Dear Ms. Medina,
Albert A. Webb Associates is submitting this propos al for the City-Wide Engineering and Traffic Survey services within the City of Cathedral City.
Exhibit “A” contains our proposed scope of work. E xhibit “B” contains a summary of our fee proposal for services described in Exhibit “A”. We appreciate the opportunity to be of service and look forward to hearing from you. In the meantime, if you have any questions or require additional information, please call me at (951) 686-1070.
Sincerely,
Nick Lowe, MS / PE / TE
Deputy Director, Traffic & Transportation
Attachments: Exhibit “A” – Scope of Work
Exhibit “B” – Compensation
October 17, 2024
2 Exhibit “A” – Scope of Work
Cathedral City – City-Wide Speed Surveys
Our scope of services is as follows:
1. Review previous city-wide speed survey to determ ine roadway segments for study.
Coordinate with City and review other City document s to determine any additional roadway segments in need of analysis.
2. Conduct radar spot speed surveys and 24-hour ADT counts on up to 75 (assumed) roadway segments within the City that do not qualify as residential or business district 25 mph segments. Speed surveys shall be done during non-peak hours to acquire free-flow speed. ADT counts to be collected near the mid-point of each roadway segment.
3. Obtain collision report and information from the City and CHP Statewide Integrated Traffic Records System (SWITRS) data for the last three years of complete available data.
4. Calculate average collision rate per million veh icle miles of travel for each roadway segment.
5. Prepare Engineering and Traffic Survey Sheets th at will illustrate the results of a thorough evaluation of the available data and indicate a rec ommended speed limit for each street segment surveyed.
6. Provide explanation and reasoning for roadway se gments that are recommended for new or different posted speed limits.
7. Review land use and roadway features/geometrics for potential inclusion for AB43 analysis to further reduce speed limits.
8. Prepare Speed Survey Evaluation Report in compli ance with the California Vehicle Code and California MUTCD.
9. Submit Report to City for review and approval.
This scope does not include the preparation of exhibits, maps, charts, or graphs outside of the speed survey data reports. This scope does not include services not specifically stated in the above scope of work. If additional tasks are desired, a separate scope and budget will be prepared for review and approval prior to the start of additional work.
3 Exhibit “B” – Compensation
Services described in our Scope of Work (Exhibit “A”) shall be provided on a time and material basis not to exceed $45,012 .
Speed Survey, ADT Counts, and Citywide Review $ 16,246 Collision History $ 5,638 Speed Survey Report $ 23,12 8
Total $ 45,012