26 June 2006Institute of Transportation Engineers District 6 Annual Meeting Intelligent Transportation Systems Lab Christopher M. Monsere Research Assistant.

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Presentation transcript:

26 June 2006Institute of Transportation Engineers District 6 Annual Meeting Intelligent Transportation Systems Lab Christopher M. Monsere Research Assistant Professor Dept of Civil and Environmental Engineering Portland State University Sirisha Kothuri, Kristin Tufte, Robert L. Bertini, School of Urban & Public Affairs Portland State University Enhancing Targeted Traffic Enforcement Efforts in Portland, Oregon Max Thorn Coffman and Christopher M. Monsere School of Urban Studies and Planning and Department of Civil & Environmental Engineering Intelligent Transportation Systems Laboratory Portland State University ITE District 6 June 26, 2006 Honolulu, Hawaii

26 June 2006Institute of Transportation Engineers District 6 Annual Meeting Intelligent Transportation Systems Lab Outline Background Project motivation Methodology Preliminary results Next steps

26 June 2006Institute of Transportation Engineers District 6 Annual Meeting Intelligent Transportation Systems Lab Background Strong community support for traffic safety Safe Communities Coalition formed with grant from Oregon DOT July Portland City Council approved the Portland Traffic Safety Coordination Council November Community and School Traffic Safety Account created –Source: Annual increase in traffic fines

26 June 2006Institute of Transportation Engineers District 6 Annual Meeting Intelligent Transportation Systems Lab Community and School Traffic Safety Partnership Community-based, coalition- led effort to improve Portland's traffic safety Three focus areas –Bicycle and Pedestrian Safety –Safe Routes to School –Reducing Driver Error Strategic and Focused Enforcement

26 June 2006Institute of Transportation Engineers District 6 Annual Meeting Intelligent Transportation Systems Lab Distribution of Program Resources Total ~$2.5 million

26 June 2006Institute of Transportation Engineers District 6 Annual Meeting Intelligent Transportation Systems Lab Current Enforcement Toolbox Regular Traffic Division enforcement 10 officers Automated enforcement –Red light running cameras 6 cameras –Photo radar 4 vans Strategic and Focused Enforcement (SAFE) –Identified high crash intersections and corridors –Target missions and automated enforcement to high risk areas

26 June 2006Institute of Transportation Engineers District 6 Annual Meeting Intelligent Transportation Systems Lab Map: PDOT

26 June 2006Institute of Transportation Engineers District 6 Annual Meeting Intelligent Transportation Systems Lab Project Objectives Research new ways to identify SAFE corridors –Use new GIS crash data –Try alternate network screening techniques Identify state-of-practice approaches Benefits –Allocate scarce staff and resources –Judges - maps as supporting evidence

26 June 2006Institute of Transportation Engineers District 6 Annual Meeting Intelligent Transportation Systems Lab Methodology In GIS, attribute crashes to segments –average 400 feet (short!) Compare crash performance –across similar street types –note: traffic volume data not available yet Identify segments “above average” Add “driver error analysis”

26 June 2006Institute of Transportation Engineers District 6 Annual Meeting Intelligent Transportation Systems Lab Normalizing for Street Class Minor street Other arterial Primary arterial Secondary arterial Crashes per mile per year (zero values excluded)

26 June 2006Institute of Transportation Engineers District 6 Annual Meeting Intelligent Transportation Systems Lab

26 June 2006Institute of Transportation Engineers District 6 Annual Meeting Intelligent Transportation Systems Lab Driver Error Analysis

26 June 2006Institute of Transportation Engineers District 6 Annual Meeting Intelligent Transportation Systems Lab Techniques for identifying corridors

26 June 2006Institute of Transportation Engineers District 6 Annual Meeting Intelligent Transportation Systems Lab Cumulative Plot of Crash Rate per Mile per Year for Sandy Blvd NE 39 th Ave NE 52 nd Ave Distance (feet) Number of Crashes

26 June 2006Institute of Transportation Engineers District 6 Annual Meeting Intelligent Transportation Systems Lab NE 39 th Ave NE 52 nd Ave Oblique Plot of Crash Rate per Mile per Year for Sandy Blvd Distance (feet) Number of Crashes

26 June 2006Institute of Transportation Engineers District 6 Annual Meeting Intelligent Transportation Systems Lab Enforcement Enhancements High profile missions Corridor branding and signage Increased fine zones PDA ticketing

26 June 2006Institute of Transportation Engineers District 6 Annual Meeting Intelligent Transportation Systems Lab Photos courtesy of Sharon White City Commissioner Sam Adams participates in a crosswalk enforcement mission with media coverage. High Profile Missions

26 June 2006Institute of Transportation Engineers District 6 Annual Meeting Intelligent Transportation Systems Lab

26 June 2006Institute of Transportation Engineers District 6 Annual Meeting Intelligent Transportation Systems Lab

26 June 2006Institute of Transportation Engineers District 6 Annual Meeting Intelligent Transportation Systems Lab Branding, Signage and Increased Fines

26 June 2006Institute of Transportation Engineers District 6 Annual Meeting Intelligent Transportation Systems Lab Next steps Incorporate traffic volume data Consider other screening approaches Use new PDA ticketing data

26 June 2006Institute of Transportation Engineers District 6 Annual Meeting Intelligent Transportation Systems Lab PDA Ticketing Saves time Reduces error Archives data automatically

26 June 2006Institute of Transportation Engineers District 6 Annual Meeting Intelligent Transportation Systems Lab

26 June 2006Institute of Transportation Engineers District 6 Annual Meeting Intelligent Transportation Systems Lab Conclusions Efforts may improve corridor selection –add in traffic volumes –consider intersections separately –additional screening techniques Further research on “Safety Corridors” –Branding and Signage –Increased Fines Work with PPB to use new data sources –PDA ticketing

26 June 2006Institute of Transportation Engineers District 6 Annual Meeting Intelligent Transportation Systems Lab Acknowledgements City of Portland –Mark Lear –Greg Raisman –Sharon White Portland Police Bureau, Traffic Division –Comm. Bill Sinnott –Lt. Mark Kruger –Officer Michael Clary PSU ITS Lab –Peter Bosa –Aaron Breakstone Questions ?