Reevaluation of Ramp Design Speed Criteria: Summary Report

Hunter, Michael P.; Machemehl, Randy B.; Tsyganov, Alexei; University of Texas at Austin. Center for Transportation Research

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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.

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Reevaluation of Ramp Design Speed Criteria: Summary Report

2000-01-01
By Hunter, Michael P. ; Machemehl, Randy B. ; Tsyganov, Alexei

English

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Details:

Creators:

Hunter, Michael P. ; Machemehl, Randy B. ; Tsyganov, Alexei

Hunter, Michael P. ; Machemehl, Randy B. ; Tsyganov, Alexei Less -
Corporate Creators:

University of Texas at Austin. Center for Transportation Research
Corporate Contributors:

Texas. Dept. of Transportation. Research and Technology Transfer Office ; United States. Department of Transportation. Federal Highway Administration

Texas. Dept. of Transportation. Research and Technology Transfer Office ; United States. Department of Transportation. Federal Highway Administration Less -
Subject/TRT Terms:

[+]

Design Speed Freeways Geometric Design Off Ramps On Ramps
Publication/ Report Number:

1732-S
Resource Type:

Tech Report
Geographical Coverage:

Texas ; United States

Texas ; United States Less -
Edition:

Project Summary (3/1/1999 to 8/31/1999
Corporate Publisher:

University of Texas at Austin. Center for Transportation Research
Abstract:

In this study the researchers traced freeway ramp design speed criteria contained in current American Association of State Highway and Transportation Officials (AASHTO) and Texas Department of Transportation (TxDOT) design policies through roughly 50 years of technical literature. It was seen that TxDOT ramp design speed criteria are, essentially, the AASHTO criteria. The origins of driver deceleration rates, which are built into AASHTO criteria, are the experimental studies performed during the late 1930s.
Format:

PDF
Funding:

0-1732
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha-512:eaf2f33bfa702a8a5dad3c13c9c938e76658b9db40a34bf04692dc3df48a27da42057fcfe0899b5ecfbde3d051db337f4d5ba7f93c44ac5a0aa71bf7f468a34d
Download URL:

https://rosap.ntl.bts.gov/view/dot/82938/dot_82938_DS1.pdf
File Type:

[PDF-163.15 KB]