2. A four-lane undivided highway has 10-ft lanes, with 3ft shoulders on each side. There are seven access points per mil
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2. A four-lane undivided highway has 10-ft lanes, with 3ft shoulders on each side. There are seven access points per mil
2. A four-lane undivided highway has 10-ft lanes, with 3ft shoulders on each side. There are seven access points per mile, and the posted speed limit is 50 mi/hr. The design speed is 65 mi/hr. What is the estimated free-flow speed?
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