Laserfiche WebLink
<br /> <br />Page 8 <br />Proposal for Engineering & Traffic Survey for Speed Limits Update - RFP No. 21-002 <br /> <br />• 20,079 average 24-hour volume <br />• 1.11 mile segment <br />The accident rate for this roadway segment is calculated as follows: <br /> <br />Accident Rate = 17 x 106 <br /> 20,079 x 365 x 1.11 x 3 <br /> = 0.70 accidents per million vehicle miles (A/MVM) <br /> <br />The Average Expected Accident Rate for this roadway segment type is 1.20; thus, the calculated <br />accident rate of 0.70 is below the expected rate for this example. <br /> <br />The product of this task will be the summary table showing the following: <br /> <br />• Street segment <br />• Segment length (in miles) <br />• ADT information <br />• Number of accidents <br />• Average Expected Accident Rate <br />• Actual Accident Rate <br /> <br />A sample of the accident summary table is provided in Appendix E. The final format for the <br />accident summary table will be pre-approved by the City. <br /> <br />Task 5 – Segment Spot Speed Analysis <br /> <br />The speed survey data analyzed in Tasks 1 through 4 will be summarized in the Segment Spot <br />Speed Summary Table. The summary will include the information per the City provided sample <br />in the RFP. This table includes the recommended speed limit for the street segment based on <br />the 85th percentile speed and any justifications for setting the speed limit lower than the <br />recommended 85th percentile speed. At a minimum, this table will include the following: <br /> <br />• Street Name • Mean Speed <br />• Street Segment • 10 MPH Pace Range <br />• Existing Speed Limit • Percent of Vehicles in Pace <br />• Recommended Speed Limit • Date of Survey <br />• 85th Percentile Speed • Reason for speed limit change from the <br />85th percentile speed <br /> <br /> A sample of the Segment Spot Speed Summary Table is provided in Appendix F. The final <br />format will be will be pre-approved by the City. <br /> <br />Task 6 – Preparation of Draft Report <br /> <br />A report documenting the Engineering and Traffic Study will be submitted to the City for review. <br />It will summarize the existing speed limits and the recommended changes to the speed limits <br />(increase or decrease) in accordance with the requirements of Sections 627, 40802(b), 22357 <br />and 22358 of the California Vehicle Code. AGA will also document any changes in the <br />guidelines based on the 2014 California Manual for Setting Speed Limits (basis for the 2016 <br />City Council 17 –50 10/19/2021