The ultimate goal of this project is to reduce human suffering and death caused by unsafe behavior at or near bridges in combination with less-than-optimal geometric design of said bridges. In other words, the emphasis should probably be to look at human factors and their interaction with geometric design and environmental factors including winter maintenance practices. Initial studies, presented in this report, pinpoints to what extent bicyclists, pedestrians and other road-user groups are the victims. It is very clear that many bridges—at least in the state of Maine—lack sidewalks as well as wide shoulders and therefore cause a special threat to vulnerable road users. The analysis will exclude suicides and homicides and focus on transportation-related crashes. This project is primarily a safety project. However, badly designed bridges are frequently the Achilles heel in urban and suburban pedestrian and bicycle networks. Therefore, this project certainly has important implications in the creation of livable communities.
The purpose of this report is to provide a critical review of the current practices and policies regarding infrastructure design for bicycling. The in...
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