REPORT TO THE CITY COUNCIL
February 9, 2017
FROM: SCOTT L. MOZIER, PE, Director
Public Works Department
BY: ANDREW J. BENELLI, PE, City Engineer/Assistant Director
Public Works Department, Traffic and Engineering Services Division
JILL GORMLEY, TE, City Traffic Engineer / Traffic Engineering Manager
Public Works Department, Traffic and Engineering Services Division
SUBJECT
Title
Annual update of Priority Ranking Lists for new traffic signal installations and traffic signal left turn phasing modifications.
Body
RECOMMENDATIONS
Staff recommends that the Council receive the updated City-wide priority ranking lists for new traffic signal installations and traffic signal left turn phasing modifications.
EXECUTIVE SUMMARY
Staff has completed the annual update of City-wide priority ranking lists for new traffic signal installations and left turn phasing installations. The update of the priority ranking lists includes new traffic counts, analysis of accidents during the past year, traffic signals which have gone into construction during the past year and engineering consideration of other field changes such as new schools that have opened in the vicinity of the subject intersections. The scoring criteria are based upon traffic engineering criteria established by the Federal Highway Administration (FHWA) and the California Department of Transportation.
BACKGROUND
Every year, the Traffic Engineering Section in Public Works conducts updated traffic counts, reviews intersection accident reports and performs an engineering analysis in accordance with adopted standards of the FHWA and California Department of Transportation. This analysis includes eight-hour traffic volumes, peak hour volumes, pedestrian counts, accident history and proximity of schools to the intersections. Unsignalized intersections are analyzed to determine if installation of a traffic signal is warranted. Warrants are evaluated purely using the Administration standards ...
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