Practices for Adding Bicycle and Pedestrian Access on Existing Vehicle Bridges (2023) / Chapter Skim
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7 Review of Literature and Practice This chapter discusses the current status of identification, evaluation, and prioritization of bridge retrofit projects to incorporate bicycle and pedestrian accommodations, factors to determine accommodation strategies, and performance measures to monitor the benefits associated with these projects. This discussion is based on two types of analyses.
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8 Practices for Adding Bicycle and Pedestrian Access on Existing Vehicle Bridges Strategies to Accommodate Pedestrians and Bicyclists When bridge owners develop funding proposals to incorporate active transportation accommodations, extra care must be taken during project scoping to identify feasible alternatives and develop accurate cost estimates. To alleviate project scoping and cost-estimation challenges, the owner agencies must have access to a methodology and a tool to evaluate a site for the best possible alternatives and to develop corresponding cost estimates (Attanayake et al.
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Review of Literature and Practice 9 • Habitats of threatened or endangered species in the vicinity of the site. • Air quality impact from the construction.
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10 Practices for Adding Bicycle and Pedestrian Access on Existing Vehicle Bridges with Disabilities Act (ADA)
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Review of Literature and Practice 11 Three critical limitations of this analysis process were discovered: • The current version of the program is limited to providing alternatives within the bridge. • The alternative analysis is solely based on quantitative data.
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12 Practices for Adding Bicycle and Pedestrian Access on Existing Vehicle Bridges Guidance Documents Various guides have been developed to inform the practices of providing a safe passage for active transportation and motor vehicle facilities. The following list includes some of these guides: • AASHTO Guide for the Development of Bicycle Facilities (2012)
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