Safety and Operational Considerations for Design of Rural Highway Curves

Glennon, John C.; Neuman, Timothy R.; Leisch, Jack E.; Jack E. Leisch & Associates

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Safety and Operational Considerations for Design of Rural Highway Curves

1985-12-01
By Glennon, John C. ; Neuman, Timothy R. ; Leisch, Jack E.

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English

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Details:

Creators:

Glennon, John C. ; Neuman, Timothy R. ; Leisch, Jack E.

Glennon, John C. ; Neuman, Timothy R. ; Leisch, Jack E. Less -
Corporate Creators:

Jack E. Leisch & Associates
Contributors:

Pilkington, George B. II.
Corporate Contributors:

United States. Federal Highway Administration. Safety Design Division
Subject/TRT Terms:

[+]

Crash Analysis Curvature Design Highway Curves Highway Safety Rural Highways Simulation Two Lane Highways
Publication/ Report Number:

FHWA-RD-86-035
Resource Type:

Tech Report
Right Statement:

Public Domain
Geographical Coverage:

United States
Edition:

Final Report
Contracting Officer:

Pilkgton, George B, II.
Corporate Publisher:

United States. Federal Highway Administration. Safety Design Division
Abstract:

This research was performed to study the safety and operational characteristics of two-lane rural highway curves. A series of interdependent research methodologies was employed, including (1) multivariate accident analyses; (2) simulation of vehicle/driver operations using HVOSM: (3) field studies of vehicle behavior on highway curves; and (4) analytical studies of specific problems involving highway curve operations. Among the study findings are recommendations regarding design of the highway curves. The research indicated important trade-offs among curve radius. curve length and superelevation. The value of spiral transitions was demonstrated by the studies of driver behavior. Significant path overshoot was observed at all sites regardless of the curve radius. this behavior was also modeled by HVOSM. Studies of accidents on highway curves showed single-vehicle run-off-road accidents to be of paramount concern. Roadside treatment countermeasures were found to offer the greatest potential for mitigating the frequency and severity of accidents on rural highway curves.
Format:

PDF
Funding:

DOT-FH-11-9575
Collection(s):

Federal Highway Administration
Main Document Checksum:

[+]

urn:sha256:5bba936d0ef51ebfab43874e35678992085c2fbf9d52ea83594e85d9d4cc76a6
Download URL:

https://rosap.ntl.bts.gov/view/dot/74834/dot_74834_DS1.pdf
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Safety and Operational Considerations for Design of Rural Highway Curves

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