Citation

Conti TC, McMinimee JC, Seneviratne P. Transp. Res. Rec. 1993; 1410: 32-40.

Copyright

(Copyright © 1993, Transportation Research Board, National Research Council, National Academy of Sciences USA, Publisher SAGE Publishing)

DOI

unavailable

PMID

unavailable

Abstract

Deficiencies in resistance to skidding in sections of highways exist and sometimes contribute to elevated accident rates. A more efficient process for priority ranking projects for restorative treatment of these deficiencies given limited funding is presented. Projects for treatment of these deficiencies using the benefit-cost ratio are discussed. Surface treatments are recommended and the associated project costs are identified. Benefits are identified through expected accident reductions. The costs associated with accidents are computed and multiplied by an accident reduction factor (ARF) to find the expected benefits of the countermeasure. Two separate methods are used in calculating the benefits. The first method involves using a standard ARF that is applied to all projects regardless of functional class and traffic volume. The second method utilizes new expected ARFs specific to each project. These new factors are based on the assumption that the countermeasure will reduce accidents to the average accident rate of each project's particular functional class. Individual projects are then selected from the prioritized lists using a dynamic programming technique.

Record URL:
http://onlinepubs.trb.org/Onlinepubs/trr/1993/1410/1410-005.pdf

Language: en

Keywords

Accident prevention; Costs; Highway accidents; Laws and legislation; Standards; Maintenance; Skid resistance; Skidding; Highway administration; Highway systems; Safety factor; Dynamic programming; Surface treatment