Evaluation of horizontal curve design

Segal, David J.; Banney, Thomas A.; Arvin/Calspan Corporation. Advanced Technology Center

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ROSA P serves as an archival repository of USDOT-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by USDOT or funded partners. As a repository, ROSA P retains documents in their original published format to ensure public access to scientific information.

i

Evaluation of horizontal curve design

1980-08-01
By Segal, David J. ; Banney, Thomas A.

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English

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Details:

Creators:

Segal, David J. ; Banney, Thomas A.

Segal, David J. ; Banney, Thomas A. Less -
Corporate Creators:

Arvin/Calspan Corporation. Advanced Technology Center
Corporate Contributors:

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

[+]

Highway Curves Highway Design Highway Engineering Motor Vehicle Dynamics
Publication/ Report Number:

FHWA-RD-79-48
Resource Type:

Tech Report
Edition:

Final report
Contracting Officer:

Pilkington, George B.
Corporate Publisher:

United States. Federal Highway Administration
Abstract:

This report documents an initial evaluation of horizontal curve design criteria which involved two phases: an observational study and an analytical evaluation. Three classes of vehicles (automobiles, school buses and tractor semi-trailers) and three selected curves (8, 31 and 38) were utilized in the study in order to determine vehicle path and speed. The analytical evaluation using the HVOSM was conducted to relate the vehicle dynamics during curve traversal to horizontal curve design criteria. Horizontal curve parameters were curve radius, vehicle class, speed, curve transition type and super-elevation rate. The report suggests that the use of spiral transition curves in horizontal alignment would improve traffic operations and recommends further research to confirm the change in steady-state steer characteristics on super-elevated curves.
Format:

PDF
Funding:

DOT-FH-11-8501
Collection(s):

Federal Highway Administration
Main Document Checksum:

[+]

urn:sha-512:bacd87d0bb8519288f9870fa8abe852e8cf88817ff5bbe4f81d4fc3f5f3ddc9eaf774fc3fd8e5ca53ca10260414ba38124ff541c4e3e432bb6b08f82954defb6
Download URL:

https://rosap.ntl.bts.gov/view/dot/852/dot_852_DS1.pdf
File Type:

[PDF-36.83 MB]