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... 1 S u m m a r y The 2012 edition of the American Association of State Highway and Transportation Officials' Guide for the Development of Bicycle Facilities (AASHTO, 2012) , often referred to as the Bike Guide, defines a bicycle lane as "a portion of a roadway that has been designated for preferential or exclusive use by bicyclists by pavement markings and, if used, signs.
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... 2• Traffic volume: 14,800 to 29,000 vehicles per day (vpd) , and • Percent trucks: 2% to 20%.
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... 3 4. The AASHTO Bike Guide states that under most circumstances, the recommended width for bike lanes is 5 ft.

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