Toolbox of countermeasures for rural two-lane curves.

Hallmark, Shauna; Hawkins, Neal; Smadi, Omar; Iowa State University. Center for Transportation Research and Education

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Toolbox of countermeasures for rural two-lane curves.

2013-10-01
By Hallmark, Shauna ; Hawkins, Neal ; Smadi, Omar

[PDF-3.99 MB]

English

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Details:

Creators:

Hallmark, Shauna ; Hawkins, Neal ; Smadi, Omar

Hallmark, Shauna ; Hawkins, Neal ; Smadi, Omar Less -
Corporate Creators:

Iowa State University. Center for Transportation Research and Education
Corporate Contributors:

Midwest Transportation Consortium
Subject/TRT Terms:

[+]

Countermeasures Highway Curves Highway Safety Paved Shoulders Ran Off Road Accidents Rural Highways Single Vehicle Accidents Surface Treating Traffic Control Devices Two Lane Highways
Publication/ Report Number:

IHRB Project TR-579
Resource Type:

Tech Report
Geographical Coverage:

Iowa
Corporate Publisher:

Iowa State University. Institute for Transportation
Abstract:

The Federal Highway Administration (FHWA) estimates that 58 percent of roadway fatalities are lane departures, while 40

percent of fatalities are single-vehicle run-off-road (SVROR) crashes. Addressing lane-departure crashes is therefore a

priority for national, state, and local roadway agencies. Horizontal curves are of particular interest because they have been

correlated with increased crash occurrence.

This toolbox was developed to assist agencies address crashes at rural curves. The main objective of this toolbox is to

summarize the effectiveness of various known curve countermeasures.

While education, enforcement, and policy countermeasures should also be considered, they were not included given the

toolbox focuses on roadway-based countermeasures. Furthermore, the toolbox is geared toward rural two-lane curves.

The research team identified countermeasures based on their own research, through a survey of the literature, and through

discussions with other professionals. Coverage of curve countermeasures in this toolbox is not necessarily comprehensive.

For each countermeasure covered, this toolbox includes the following information: description, application, effectiveness,

advantages, and disadvantages.
Format:

PDF
Collection(s):

University Transportation Centers US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:d5fb85d102c19bd23781f9e93e243c563d7276fca611f7bb8b2eec340e0704eb
Download URL:

https://rosap.ntl.bts.gov/view/dot/26672/dot_26672_DS1.pdf
File Type:

No Additional Files

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Toolbox of countermeasures for rural two-lane curves.

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