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John J. Cantwell

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Mr. John Cantwell, P.E., M.ASCE

John J. Cantwell

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RE: 85th Percentile Speed: Productivity and Safety vs. Dogma

Posted By John Cantwell 04-12-2017 12:39 PM
Found In Egroup: Professional and Career Topics \ view thread
The use of the 85% rule is useful when dealing with public request to local governments. It is common for residents along roadways that are safely posted at 40, 45 or 50 mph to complain about the speeds and request artificially lowering it for improved safety. It is difficult for elected officials to ...