A Class I two-lane highway in rolling terrain has a peak demand volume of 600 veh/h, with 5% trucks and 10% RVs.The highway serves as a main link to a popular recreation area. The directional split of traffic is 50-50 during peak periods, and the peak-hour factor is 0.90. The 10-milesection under study has 40% "No-passing" zones. The base free-flow speed of the facility may be taken to be 60 mi/h. Lane widths are 12 feet, and shoulder widths are 2 feet. There are 15 access points per mile along this 10-mile section.
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