Minimum Designs for Truck and Bus Turns

 

Overview

This section contains the following information on minimum designs for truck and bus turns:
application
channelization
alternatives to simple curvature
urban Intersections
rural Intersections.
Application
There are no firm guidelines governing the selection of the type of large vehicle to be used as a design
vehicle. Factors that influence design vehicle selection are as follows:
the type and frequency of use by large vehicles
consequences of encroachment into other lanes or the roadside
availability of right-of-way
Functional class of intersecting routes and location (urban versus rural) affect this selection in a
general sense. Project-specific traffic data, specifically the frequency of use by the various design
vehicle classes, is often the most important consideration in the selection process. The
Transportation Planning and Programming Division (TPP) may be contacted to obtain volume
data for the various vehicle classes.

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Minimum Designs for Truck Bus Turns