Improving The Capacity Of An Existing Highway Section: Analysis And Recommendations

Traffic Characteristics of the Existing Freeway SectionExisting freeway section 1000 m = 1 km
Number of asphalt-grade lanes = 4 (2 in each direction)
Lane dimensions = 3.7m lanes with 0.3m right shoulder lateral clearance and 1.2m median with a concrete barrier
Total right-of-way = 21.8m
Interchange density = 1 per km
Design speed = 90 km/h (upgrade) and 1000 km/h (downgrade)
Peak hour volume = 1280 vehicles on a grade of 5%
5% trucks, …