group members: pamela johnson sarah bronstein chengxin dai daniel nguyen se 82 nd & francis...
TRANSCRIPT
Group Members:
Pamela JohnsonSarah BronsteinChengxin DaiDaniel Nguyen
SE 82nd & FrancisRapid Flash Beacon
Zoning: Commercial
Portland Maps SE 82nd Ave & SE Francis St.- Foster- Powell- Portland. PortlandMaps © 2011
• Wal-Mart• Marshall H.S.• Century 16 Theater• Bank of America
Crosswalk
Rapid Flash Beacon
• User Activated• Voice Recording• Irregular Flashing LED’s• 30 Second Phase Signal Length
Video Data: Methodology
PBOT Video data from Feb 2, 2011, 4-6pm • Pedestrian and Bicyclist Counts
• Violations and Behavior Counts
Pedestrian Violations:• Listening to iPod/talking on phone• Jaywalking• Not pushing the beacon button• Partial Compliance: cutting straight across the
refuge Bicyclist Violations:• Not wearing a helmet• Not pushing the beacon button • Partial Compliance: cutting straight across the
refuge
Motorist Violations• Didn't yield to RFB users • Intruded into crosswalk• Blocked crosswalk when stopped
• 100% cyclists cross at RFB• 72% pedestrians cross at RFB
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tRFB Usage
0 20 40 60 80
Crossing at flashing beaconCrossing 82nd at Francis
Pedestrians:• 10% didn’t activate flashing
signal• 62% partial compliance• Jaywalking
2% at RFB vs 70% at Francis
Bicyclists:• 32% didn’t activate flashing signal• 17% partial compliance• 89% ride on 9-foot sidewalk. • 68% no helmet.
Bicyclist Behavior and Violations
0 2 4 6 8 10 12
Partial Compliance
No Helmet
Rode on Sidewalk
Didn't Push Beacon Button
Pedestrian Behavior and Violations
0 10 20 30 40 50
Partial Compliance
IPOD/Phone
Didn't Push Beacon Button
• Less than 46% beacon users have to yield to at least one car Assume: 1 user cross 82nd Ave per time Yielding%= unstopped vehicle / user counts
• Sometimes motorists didn’t yield due to traveling speed. A subsequent motorist might yield.
• Car queue blocks zebra crossing and forces beacon users to cut straight across the refuge.
Motorist Behavior and Violations
0 5 10 15 20 25 30
Didn't Stop for Flashing Beacon
Blocked Crosswalk
Intruded into Crosswalk
Delay = starting delay + median delay
• median delay: the pedestrian island increases the crossing distance but also the median delay.
• starting delay: average delay time 5s at RFB < average delay time 10s at un-signalized intersection with stop control on minor streets.
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Gender Split Behavior and Violation
counts
0 5 10 15 20
MaleFemaleUnknown
Recommendations:
Align crossing facilities with transit stops
Recommendations:
Add railing or flexible posts to encourage pedestrians to follow the path in the median
Questions?