Land development risks along state transportation corridors.
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2013-09-01
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NTL Classification:NTL-HIGHWAY/ROAD TRANSPORTATION-HIGHWAY/ROAD TRANSPORTATION;NTL-PLANNING AND POLICY-Land Use;
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Abstract:Land development that is not coordinated with transportation planning can compromise the performance
of Washington’s state routes. Identifying land at risk for development along state routes can provide
opportunities for proactive, collaborative planning to improve access, mobility, and safety while supporting
economic development. This project, described in two parts, provides tools to help turn adverse risks of land
development into opportunities to make route improvements.
In part one, systems for identifying land at risk for development were developed for the state and local
levels from relevant literature and expert input. Risk factors for land development at the state level include
historic population and job growth, population and job forecasts, and traffic conditions. Additional risk factors at
the local level include regulatory constraints, critical areas, vacant and undeveloped lands, recent sales history,
building permit history, and sewer and water utilities. The local level system was applied to three case study
areas. Results generally agreed with local knowledge, yet the method offered an objective and systematic means
for comparing corridors across the state fairly.
In part two, a menu of strategies for responsibly developing state routes was developed from current
WSDOT practices, literature on standard approaches, and reports of novel solutions. Strategies were classified as
planning and coordination activities, non-engineering and engineering strategies, and funding/enforcement
strategies.
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