6/10/2013 1 Getting the Least 'Bang‘ for Your Buck Low Cost Ideas to Improve Safety Along Your Highways David P. Orr, PE Crashes vs. Accidents O Crashes O Probability O Severity O Exposure Probability Severity Exposure Traffic 3 28% 59% 6% 3 1 3%
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6/10/2013
1
Getting the Least 'Bang‘ for Your Buck
Low Cost Ideas to Improve Safety Along Your Highways
David P. Orr, PE
Crashes vs. Accidents
O Crashes
O Probability
O Severity
O Exposure
Probability Severity
Exposure Traffic
3
28%
59%
6%31
3%
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2
Human Factors
O Expectation
O Attention
O Vision
ExpectationExpectation
Vision
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3
Stopping Sight Distance
O Perception reaction distance
O Stopping distance
Less ‘Bang’ for the Buck
Cell Phone & Texting
Slow Down in Winter
Roadway Condition
Slow down vs. 55 mph (wet)
Slush 39Loose Snow 33Snow Pack 28
Wet ice 25 or less!
Count the Workers
5
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4
Wear Those Vest!
Advanced SignsStand in a Visible Location
Give a Buffer
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5
Different Color for Flagger
Sign Corners
Add Stop Bars Intersection Signs
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6
Intersection Signs Edge Drop Offs
Repair Edge Drop Offs & Widen Curves Make Signs Breakaway
Resources
O Highway Safety Manual, AASHTOO Roadway Safety Fundamentals, CLRPO Traffic Sign Handbook, CLRPO Low-Cost Treatments for Horizontal Curve Safety, FHWAO Low Cost Local Road Safety Solutions, ATSSAO NCHRP 321 - Roadway Safety Tools for Local AgenciesO Non-Motorized User Safety, FHWAO Intersection Safety, FHWAO Roadway Departure Safety, FHWAO Road Safety Information Analysis, FHWAO FARS, www-fars.nhtsa.dot.govO One Step from Death, Iowa DOTO Work Zone PSA, NC DOTO National MUTCD, FHWA and othersO NYS Supplement to the National MUTCD, NYSDOT
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Be Safe Out There!
David P. Orr, PE
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