United States Department of Transportation
i
Enhancing Non-motorized Mobility within Construction Zones
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2017-12-31
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[PDF-963.72 KB]
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Abstract:Acquisition of lanes and sidewalks for construction activities increases congestion and delays and compromises safety. Further, work zones impair access to local businesses, bus stops, nearby facilities, etc., while hindering mobility of pedestrians, cyclists, and emergency responders. The emphasis on nonmotorized mobility varies significantly when temporary traffic control management plans are developed for small cities. Due to lack of specific instructions given to contractors and the potential liability issues, contractors tend to completely close access to non-motorized traffic without providing alternate routes or detours. Instead of using a detour, pedestrians and cyclists tend to pass through the construction zone or jaywalk which greatly increases the risk of accidents that could result in injuries and fatalities. National and international publications, manuals, policies and guidelines were reviewed, and a survey was conducted to synthesize best practices and the minimum requirements of street components. A work zone and mobility management framework, a list of possible alternatives for managing nonmotorized mobility within and around a construction zone, and a risk-based decision-support framework for selecting the most viable alternative to manage non-motorized mobility during construction activities were developed. In addition, strategies to manage access to emergency responders, local businesses, commercial and residential buildings, and various other facilities are also presented. Innovative technologies, infrastructure, and construction methods that can be used to enhance safety and mobility are also documented.
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