@article{ref1,
title="New three-dimensional highway design methodology for sight distance measurement",
journal="Transportation research record",
year="2011",
author="Jha, Manoj K. and Karri, Gautham Anand Kumar and Kuhn, Wolfgang",
volume="2262",
number="",
pages="74-82",
abstract="The traditional two-stage highway design process provides separate processing of horizontal and vertical alignments. One drawback of the two-stage methodology, however, is design inconsistency because of drivers' responses that are not detected until the road is built. To remedy this situation, a three-dimensional (3-D) design methodology has been developed to eliminate the need for postchecking to ensure design consistency and availability of adequate sight distance. With the proposed 3-D design methodology, planners and designers can simulate the entire design process at the onset. The paper presents a novel 3-D algorithm for calculating sight distance on the basis of the proposed 3-D design methodology. A case study demonstrates the applicability of the methodology.<p />",
language="en",
issn="0361-1981",
doi="10.3141/2262-08",
url="http://dx.doi.org/10.3141/2262-08"
}