Accidents on Secondary Highways and Countermeasures, Phase II Identification of Promising Sites on Rural, Two-Lane Highways Using Inventory Data

Hummer, Joseph E.; Hultgren, Carl A.; Khattak, Asad J.; Renski, Henry

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Accidents on Secondary Highways and Countermeasures, Phase II Identification of Promising Sites on Rural, Two-Lane Highways Using Inventory Data

1999-07-01
By Hummer, Joseph E. ; Hultgren, Carl A. ; Khattak, Asad J. ; ...

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English

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Creators:

Hummer, Joseph E. ; Hultgren, Carl A. ; Khattak, Asad J. ; Renski, Henry

Hummer, Joseph E. ; Hultgren, Carl A. ; Khattak, Asad J. ; Renski, Henry Less -
Contributors:

Chatterjee, Arun
Corporate Contributors:

Southeastern Transportation Center (U.S.) ; United States. Department of Transportation. University Transportation Centers (UTC) Program

Southeastern Transportation Center (U.S.) ; United States. Department of Transportation. University Transportation Centers (UTC) Program Less -
Subject/TRT Terms:

[+]

Collisions Crash Locations High Risk Locations Highway Safety Highway Traffic Rural Highways Secondary Roads Traffic Crashes Traffic Safety Two Lane Highways
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

Southeastern Transportation Center (U.S.)
Abstract:

The purpose of this study is to investigate the feasibility ad performance of roadway inventory methods in identifying hazardous road locations on rural secondary highways. The Tennessee Department of Transportation currently uses a collision-based method to identify possible "hazardous" locations for possible safety improvements. The roadway inventory-based methods have the desirable property of being proactive, as opposed to the reactive collision-based methods, in that they can identify potentially dangerous locations before crashes occur. Our analysis begins with a literature review of alternative hazardous location identification methods. Several inventory-based hazardous location identification models for segments, curves and bridges are identified and chosen for further consideration. Two Tennessee counties are selected for analysis. Within these counties information is collected on physical roadway characteristics, average annual vehicle volumes, and motor-vehicle crash characteristics. This information supplies the data for developing hazard ratings from the inventory-based models. A comparison of the hazardous ratings for individual sites resulted in a list ten hazardous sites for further evaluation. In addition to the inventory-based models, a separate analysis was conducted using the Tennessee DOT's current (collision-based) method of identifying hazardous locations. This identification procedure resulted in a list of ten sites for further evaluation-although two of these sites were later discarded due to recent roadway improvements. There was no overlap between the top ten sites chosen by the two methods.
Format:

PDF
Collection(s):

University Transportation Centers US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:a0126c200e804823dabbdf5e06024bcf21065547f4fc7722a2b4117a2e0b77ad
Download URL:

https://rosap.ntl.bts.gov/view/dot/55952/dot_55952_DS1.pdf
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Accidents on Secondary Highways and Countermeasures, Phase II Identification of Promising Sites on Rural, Two-Lane Highways Using Inventory Data

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