engineering measures for improved pedestrian safety tamara redmon fhwa office of safety april 29,...
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Engineering Measures for Improved Pedestrian Safety
Tamara Redmon
FHWA Office of Safety
April 29, 2008
Engineering Measures for Improved Pedestrian Safety
Few pedestrian safety measures have been researched adequately to say for sure that they improve pedestrian safety.Will discuss:-Engineering measures that are proven by research.-Measures currently being researched with potential to improve pedestrian safety.
Engineering Measures Proven By Research
Engineering Measures Proven By Research
Sidewalks/Walkways on both sides of Road.
88% reduction in “walking along the road” pedestrian crashes.
Engineering Measures Proven By Research
Provide paved shoulder of at least
4 feet.
71% reduction in “walking along the roadway crashes.”
Engineering Measures Proven By Research
Provide raised median or raised islands.
40% reduction in pedestrian crashes.
Engineering Measures Proven By Research
Adding protected left-turn signal phasing.
70% reduction in left-turn crashes.
Engineering Measures Proven By Research
Providing pedestrian countdown signals.
10 to 15% reduction in pedestrian crashes.These may become standard as proposed in a Notice of Proposed Amendment for the MUTCD.
Engineering Measures Proven By Research
Provide scramble signal timing (Barnes dance).
Up to 50% reduction in pedestrain crashes (for high-pededestrian volume sites only).
Engineering Measures Proven By Research
Add overhead lighting along road in pedestrian
areas.
40 to 60% reduction in nighttime crashes (including pedestrian crashes).
Engineering Measures Proven By Research
Lane reduction (road diets).
up to 25% reduction in total crashes (including pedestrian crashes).
Engineering Measures Proven By Research
Add pedestrian grade-separation (overpass or
underpass).
Up to 90%, but only if it is well-planned and designed for high pedestrian use.
Conclusion
The effectiveness of each measure will vary from site to site. Look into the research to determine in which circumstances (i.e. number of travel lanes, ADT, speed, pedestrian volumes, etc.) the measure will work best.
Engineering Measures with Potential for Improved Safety
Engineering Measures with Potential for Safety Improvement
In Street Pedestrian Crossing Sign
Up to 80% driver compliance (yielding) in study locations.
Engineering Measures with Potential for Safety Improvement
HAWK: Pedestrian Hybrid Signal
New chapter proposed for MUTCD to describe the application, design, and operation of pedestrian hybrid signals.
HAWK Sequence
11
22
33
44
55
ReturnReturnto 1to 1
Flashing Flashing yellowyellow
Blank forBlank fordriversdrivers
Steady Steady yellowyellow
Steady Steady redred
Wig-WagWig-Wag
HAWK Pedestrian Hybrid Signal
Engineering Measures with Potential for Safety Improvement
Stutter Flash Beacon
Similar in operation to emergency flashers on police cruisers.
Up to 90% driver compliance (yielding) in study locations.
