Safety performance functions for ramp terminals at diamond interchanges

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Title: Safety performance functions for ramp terminals at diamond interchanges
Creator: Lyon, Craig.
Contributor: Persaud, Bhagwant.
Hahn, Jeremy.
Corporate Contributor: Persaud and Lyon, Inc.
Felsburg, Holt & Ullevig.
Colorado. DTD Applied Research and Innovation Branch.
Date: 2011
Publisher: Colorado Department of Transportation, DTD Applied Research and Innovation Branch
Place of Publication: Denver, Colo.
Abstract: This report documents two efforts to support CDOT in the area of Safety Performance Function (SPF) development. The first involved the data collection and development of SPFs for five categories of ramp terminals at diamond interchanges. The second effort involved estimating the overdispersion parameters for a number of existing SPFs already in use by CDOT for various roadway segment categories.
Notes: "Report No. CDOT-2011-9. Final Report."
"July 2011."
Description based on online resource; title from PDF title page; (viewed December 2011)
Topics: Roads
Interchanges and intersections
Design and construction
Traffic safety
Places: Colorado
Extent: 1 online resource (16, A-5, B-7, C-3, D-2 p.) : ill.
Language: eng
Classification: TRA2.10/11-9/INTERNET
Handle: http://hdl.handle.net/10176/co:10474
Record Identifier: 767644874
Created Date: 2012-04-19T21:18:57.850Z