Accident causation study on roadways with limited sight distance crest vertical curves /

a safety problem.

Bibliographic Details
Main Author: Stoddard, Angela May
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1994.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:a safety problem.
accurately reflect the driver and vehicle population
Available sight distances less than 350-400 feet may present
causation study was conducted to determine if roadways with
contributing factor were caused by a vehicle striking another
currently on the transportation network. An accident
daytime or nighttime, as a possible contributing factor. Ten
design of a roadway's horizontal and vertical alignment.
distance as a contributing factor occurred on vertical curves
distance equation were developed in the 1950s and may not
distance. All the accidents with limited stopping sight
drivers and large trucks did not appear to be overrepresented
evaluated had limited stopping sight distance, during the
evaluated were large truck accidents. In addition, only one
in accidents on roadways with limited stopping sight
it was determined that only 18 of the 439 accident narratives
limited stopping sight distance as a contributing factor
limited stopping sight distance present a safety hazard for
Many of the parameters used in the current stopping sight
National Safety Council. Only 30 of the accident narratives
occurred on vertical curves with a K value less than 100,
of stopping sight distance. Most of the accidents with
of the 18 accidents with limited stopping sight distance as a
of the large trucks was involved in an accident with stopping
older driver as well as large trucks. The percentage of
older drivers on the selected two-lane and multilane study
percentage of older drivers in all accidents, reported by the
roadways with limited sight distance crest vertical curves
selected roadways. After analyzing the accident narratives,
sight distance as a possible contributing factor. Older
sites with limited stopping sight distance was similar to the
Stopping sight distance is an important parameter used in the
stopping sight distance present a significant problem for the
the most recent three to five years were obtained for the
the transportation network. Rural two-lane and multilane
vehicle. There has been a concern that roadways with limited
were identified in three states, and accident narratives for
which corresponds to 350-375 feet of stopping sight distance.
with a K value less than 125, which corresponds to 400 feet
Item Description:"Major subject: Civil Engineering".
Vita.
Physical Description:xi, 87 leaves : illustrations ; 28 cm.
Also available online.
Bibliography:Includes bibliographical references.