Accommodating Larger Trucks at At-Grade Intersectionsby Daniel B. Fambro, Texas A&M Univ, College Station, TX, USA,
John M. Mason, Jr., Texas A&M Univ, College Station, TX, USA,
Timothy R. Neuman, Texas A&M Univ, College Station, TX, USA,
Abstract: When a particular intersection serves a high volume of large truck traffic, design considerations should reflect the presence of those larger vehicles. This paper discusses three intersection design elements that are affected by large trucks: intersection sight distance, capacity, and channelization. For each element, guidelines and considerations for accommodating these larger vehicles at at-grade intersections are given. Changes and/or additions are recommended to both the 1984 AASHTO Design Policy and the 1985 Highway Capacity Manual.
Subject Headings: Intersections | Trucks | Traffic volume | Hydraulic design | Sight distances
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