Lateral position of traffic negotiating horizontal bends

Banihan Gunay, David Woodward

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

The lateral position of vehicles at horizontal curves and roundabout circles has been studied, and it has been observed that drivers tend to straighten their travel path as much as possible when negotiating these bends in a corner-cutting fashion. In addition to skid resistance loss, this behaviour results in the early scuffing and removal of road markings. Preliminary data were collected in Northern Ireland at eight different sites over 15 lanes in total. It was found that the expected geometrical location of the wheel path is not the same as the actual observed location at certain sections of highways. On horizontal curves, the most travelled wheel path is shifted towards the convex side of the curve, and this shift increases with decreasing radius, such as at roundabouts, where it reaches a maximum displacement. This shift was about 140 cm in the outer circles of roundabouts and about 60 cm in the inner circles. For horizontal curves the figure was in the region of 30 - 40 cm.
LanguageEnglish
Pages1-11
JournalProceedings of the ICE - Transport
Volume160
Issue number1
Publication statusPublished - Jan 2007

Fingerprint

Wheels
Skid resistance

Cite this

@article{1e63a359faea4cf48578700cf9e2ea7e,
title = "Lateral position of traffic negotiating horizontal bends",
abstract = "The lateral position of vehicles at horizontal curves and roundabout circles has been studied, and it has been observed that drivers tend to straighten their travel path as much as possible when negotiating these bends in a corner-cutting fashion. In addition to skid resistance loss, this behaviour results in the early scuffing and removal of road markings. Preliminary data were collected in Northern Ireland at eight different sites over 15 lanes in total. It was found that the expected geometrical location of the wheel path is not the same as the actual observed location at certain sections of highways. On horizontal curves, the most travelled wheel path is shifted towards the convex side of the curve, and this shift increases with decreasing radius, such as at roundabouts, where it reaches a maximum displacement. This shift was about 140 cm in the outer circles of roundabouts and about 60 cm in the inner circles. For horizontal curves the figure was in the region of 30 - 40 cm.",
author = "Banihan Gunay and David Woodward",
year = "2007",
month = "1",
language = "English",
volume = "160",
pages = "1--11",
journal = "Proceedings of the ICE - Transport",
issn = "0965-092X",
number = "1",

}

Lateral position of traffic negotiating horizontal bends. / Gunay, Banihan; Woodward, David.

In: Proceedings of the ICE - Transport, Vol. 160, No. 1, 01.2007, p. 1-11.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Lateral position of traffic negotiating horizontal bends

AU - Gunay, Banihan

AU - Woodward, David

PY - 2007/1

Y1 - 2007/1

N2 - The lateral position of vehicles at horizontal curves and roundabout circles has been studied, and it has been observed that drivers tend to straighten their travel path as much as possible when negotiating these bends in a corner-cutting fashion. In addition to skid resistance loss, this behaviour results in the early scuffing and removal of road markings. Preliminary data were collected in Northern Ireland at eight different sites over 15 lanes in total. It was found that the expected geometrical location of the wheel path is not the same as the actual observed location at certain sections of highways. On horizontal curves, the most travelled wheel path is shifted towards the convex side of the curve, and this shift increases with decreasing radius, such as at roundabouts, where it reaches a maximum displacement. This shift was about 140 cm in the outer circles of roundabouts and about 60 cm in the inner circles. For horizontal curves the figure was in the region of 30 - 40 cm.

AB - The lateral position of vehicles at horizontal curves and roundabout circles has been studied, and it has been observed that drivers tend to straighten their travel path as much as possible when negotiating these bends in a corner-cutting fashion. In addition to skid resistance loss, this behaviour results in the early scuffing and removal of road markings. Preliminary data were collected in Northern Ireland at eight different sites over 15 lanes in total. It was found that the expected geometrical location of the wheel path is not the same as the actual observed location at certain sections of highways. On horizontal curves, the most travelled wheel path is shifted towards the convex side of the curve, and this shift increases with decreasing radius, such as at roundabouts, where it reaches a maximum displacement. This shift was about 140 cm in the outer circles of roundabouts and about 60 cm in the inner circles. For horizontal curves the figure was in the region of 30 - 40 cm.

M3 - Article

VL - 160

SP - 1

EP - 11

JO - Proceedings of the ICE - Transport

T2 - Proceedings of the ICE - Transport

JF - Proceedings of the ICE - Transport

SN - 0965-092X

IS - 1

ER -