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HAWK Evaluation NE/SE 41 st Ave & E Burnside St. Sirisha Kothuri William Farley Kimber Miller Aaron Rieck. Civil & Environmental Engineering. Outline. Introduction Area Characteristics Data Analysis Conclusions Recommendations Acknowledgements. Civil & Environmental Engineering.

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Hawk evaluation ne se 41 st ave e burnside st

HAWK EvaluationNE/SE 41st Ave & E Burnside St

Sirisha Kothuri

William Farley

Kimber Miller

Aaron Rieck

Civil & Environmental Engineering


Outline
Outline

  • Introduction

  • Area Characteristics

  • Data

  • Analysis

  • Conclusions

  • Recommendations

  • Acknowledgements

Civil & Environmental Engineering


Introduction
Introduction

  • High Intensity Activated CrossWalK

  • Motivation

    • Portland Crashes (1985 – 2002)

    • Increase in bicycle traffic

    • Commitment to walking and biking

Pedestrians Crashes

3% Injuries

29 % Fatalities

Civil & Environmental Engineering


Introduction cont
Introduction – cont.

  • Crashes at non – signalized intersections

    • Bikes and Peds have trouble finding gaps

    • Motorists on major streets do not yield or stop

  • Options to reduce crashes

    • Median refuge islands, painted crosswalks

      • Low compliance rate

    • Install traffic signal

      • Not warranted, higher delay, increase in emissions

    • HAWK

Civil & Environmental Engineering


Mutcd hawk locations
MUTCD & HAWK Locations

  • 2009 MUTCD

    • Includes information on ped hybrid beacon

    • Application, design and operation

  • Installed locations

    • Portland, OR

      • 41st & Burnside

      • 18th & Sandy

    • Tucson, AZ

    • Other cities (Washington DC, Salt Lake City )

Civil & Environmental Engineering


Study area
Study Area

Burnside St & 41st Ave

Civil & Environmental Engineering


Study area1
Study Area

E. Burnside St & 41st Ave

Current Portland Bicycle Map

Portland Bicycle Plan for 2030

Civil & Environmental Engineering


Study area 41 st avenue
Study Area - 41st Avenue

Civil & Environmental Engineering


Study area burnside st
Study Area - Burnside St

Civil & Environmental Engineering


Study area2

Study Area – Intersection Diagram

Study Area

Source: FHWA Experimentation #4-298(E) Modified HAWK Signal and Bike Signal - Draft Report

Civil & Environmental Engineering


Hawk evaluation ne se 41 st ave e burnside st
HAWK

Westbound Burnside

Eastbound Burnside

Civil & Environmental Engineering


Hawk display
HAWK Display

Flashing Yellow

Solid Yellow

Solid Red

Flashing Red

Civil & Environmental Engineering


Bike and pedestrian displays
Bike and Pedestrian Displays

Don’t Walk

Walk

Flashing Don’t Walk

Civil & Environmental Engineering


Display sequence
Display Sequence

Source: FHWA Experimentation #4-298(E) Modified HAWK Signal and Bike Signal - Draft Report

Civil & Environmental Engineering


Hawk evaluation ne se 41 st ave e burnside st
Data

  • Video data available for 4 days in May 2009

  • Analyzed time periods

    • PM Peak (5 – 6 PM) on Thursday, 5/14/2009

    • AM Peak (8 – 9 AM) on Friday, 5/15/2009

  • Type of data gathered

    • Counts: Pedestrian & Bicyclist

    • Violations: Pedestrian, Bicyclist, & Motor vehicles

    • Delay: Pedestrian & Bicyclist

Civil & Environmental Engineering


Intersection via video
Intersection via Video

Civil & Environmental Engineering


Analysis pedestrian bicycle delay
Analysis – Pedestrian & Bicycle Delay

  • Delay data not collected from video because of camera angle

  • HAWK activates as soon as button is pressed

  • Min time between activations – 30 sec

  • Observed and collected data in PM on February 22, 2011

Civil & Environmental Engineering


Analysis pedestrian counts
Analysis – Pedestrian Counts

Civil & Environmental Engineering


Analysis pedestrian violations
Analysis – Pedestrian Violations

Total AM => 23

Total PM => 24

Civil & Environmental Engineering


Analysis bicycle counts
Analysis - Bicycle Counts

Civil & Environmental Engineering


Analysis bicycle violations
Analysis – Bicycle Violations

Total AM => 44

Total PM => 84

Civil & Environmental Engineering


Analysis vehicle movement violations counts
Analysis – Vehicle Movement Violations Counts

Civil & Environmental Engineering


Analysis vehicle violation specifics
Analysis – Vehicle Violation Specifics

HAWK Activations

AM => 28

PM => 41

Civil & Environmental Engineering


Crashes
Crashes

Source: FHWA Experimentation #4-298(E) Modified HAWK Signal and Bike Signal -Draft Report

Source: FHWA “Safety Effectiveness of the HAWK Pedestrian Crossing Treatment”

..

Civil & Environmental Engineering


Conclusions
Conclusions

  • Primary objective of using the HAWK system

  • System usage at study location

  • Violations were observed for all modes

  • Crashes for the study location

Civil & Environmental Engineering


Recommendations
Recommendations

  • Improvements to the signal on Burnside

  • Improvements to the signal on 41st

  • Increased public education

  • Further research on crash patterns and effectiveness

Civil & Environmental Engineering


Acknowledgements
Acknowledgements

  • Bureau of Transportation, City of Portland

  • Dr. Ashley Haire, Portland State University

  • Mark Haines, PSU/City of Portland

Civil & Environmental Engineering