This research project evaluates the effectiveness of safety countermeasures at locations up-graded from stop sign to traffic signals in the Regional Municipality of Ottawa-Carleton. The study begins with an overview of the Region and countermeasure policies implemented by RMOC. The emphasis of the evaluation is based on the application of the "Traditional" approach and the "Probabilistic" approach to 54 locations that received traffic signals in 1986. The accident frequencies at these locations are studied using a "before-and-after" comparison and the data is standardized for risk by using traffic volume. The results indicate a substantial drop in accident rates, however, the evaluation does not indicate the level of contribution by traffic signals or by other factors. The allocation of traffic signals is evaluated in a supplementary analysis of components associated with traffic accidents. This complementary evaluation is of a "with-and-without" nature and includes a land use matrix of socio-geographic factors associated with the 54 countermeasure locations. The results indicate the presence of land use combinations common to particular locations. (Abstract shortened by UMI.)
| Identifer | oai:union.ndltd.org:uottawa.ca/oai:ruor.uottawa.ca:10393/7705 |
| Date | January 1992 |
| Creators | Olsthoorn, Stephen J. |
| Contributors | Roberge, Roger, |
| Publisher | University of Ottawa (Canada) |
| Source Sets | Université d’Ottawa |
| Detected Language | English |
| Type | Thesis |
| Format | 215 p. |
Page generated in 0.0019 seconds