Index Catalog // ScholarsArchive@OSU

Start Over

Filtering by: Creator Carlson, Harry L. Degree Field Civil Engineering Subject Traffic signs and signals -- Oregon -- Evaluation

Consistency and effectiveness of advisory speeds: an evaluation of current posting techniques

Creator:

Rohani, Joshan W.

Abstract:

Crash rates are said to be nearly three times higher on curved sections than those on straight sections of rural roadways. As a result, advisory curve/speed signs are standard practice to mitigate these risks on sharp horizontal curves. The industry standard for determining appropriate and uniform speeds for such signs...

Resource Type:

Masters Thesis
Safety performance of curve advisory speed signs

Creator:

Avelar Moran, Raúl Eduardo

Abstract:

Posting advisory speed signs at sharp horizontal curve sites is a practice well established in the United States. The purpose of these signs is to provide the driving public with a safe speed to negotiate such curves; however, the link between these signs and safety has not yet been clearly...

Resource Type:

Dissertation

Full Text:

(Chowdhury, Warren, Bissell, & Taori, 1998), (Courage, et al., 1978), (Gates, Carlson, & Hawkins Jr., 2004
Effectiveness of curve advisory speed signs : a characterization of road operations in western Oregon

Creator:

Avelar Morán, Raúl Eduardo

Abstract:

Posting advisory speed signs at sharp horizontal curve locations is a common practice in the U.S. These signs recommend drivers safe speeds to negotiate such curves. Literature indicates that adherence to advisory speeds is, in general, poor. Moreover, limited research is available that quantifies safety implications of these signs. This...

Resource Type:

Masters Thesis

Full Text:

signage might be nonexistent. Nonetheless, Gates, Carlson and Hawkins (2004) followed a methodology