Improving the efficiency at urban intersections with high truck traffic can address the freight-traffic congestion, leading to optimized goods movement as well as decreased delays, congestion, and emissions, thus enhancing the air quality in and around the communities. Intersections for urban freight-roadway networks are one of the major freight bottlenecks and are considered to be a significant contributor for congestion and delay. Freight bottlenecks are a major cause of recurring congestion which accounts for about 40% of total vehicle hours of delay in the United States. RussellĬongestion on Roads and Highways, Modern Roundabouts, Truck and Vehicular EmissionsĪBSTRACT: The demand for freight transportation in the United States has grown rapidly in the past couple of decades the rate at which the highway capacity is growing is not able to meet the freight-trans- portation needs, resulting in congestion and delay, ultimately affecting the users and the public with increased prices for the goods delivered, unreliable delivery times, and air-pollution concerns. Integrating Roundabouts with Freight Roadway NetworksĪUTHORS: Ranjit Prasad Godavarthy, Eugene R. SIDRA INTERSECTION 5.1 Version Software (2012) SIDRA INTERSECTION User Guide.
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