14. Improvement Opportunities Along the Roadway Across the Roadway
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20. Prioritization Strategy Transportation This map shows the combination of the highest pedestrian demand areas, locations with specific socioeconomic characteristics, and the weighted values for each street type. Demand Equity Building Blocks Contribution to Total Score High Priority Areas 25% 35% 40% Corridor Function
This is a plan for all users On-road bicycle facilities. Install 380 miles of bicycle lanes, specially marked shared lanes, bicycle boulevards, and signed routes to provide options for bicyclists of all levels. Crossing improvements. Improvements at key connections and across major barriers. Multi-use trail facilities. A 60-mile Urban Trails and Bikeways System (i.e. Burke Gilman and Chief Sealth). Citywide bicycle destination signs program . Install 240 miles of signed bicycle routes. Programs to encourage and educate users. Bike racks and Seattle Bicycling Guide Map. Complete Streets implementation. Immediately applied to all current and future projects. Bicycle facilities on 59 percent (280 miles) of Seattle’s arterial streets Bicycle lanes, climbing lanes, and sharrows included in repaving projects Arterial crossing improvements on bicycle routes Bicycle lanes (100 miles) Climbing lanes (30 miles) Shared lane pavement markings (109 miles) Other facilities (47 miles) Paved shoulders Wide outside lanes Peak hour bus/bike
#1 Data should be project based, not segment based. Projects should be determined by Bike Program staff or advisory boards. Projects may be determined by facility type or geographic location. #2 Field names should correspond with the prioritization criteria for transparency to data users. # 3 GIS analyst should help develop the prioritization criteria Helps ensure that the organization has or could obtain/create the necessary data and to ensure that the queries align with software capabilities.
Along the roadway relative opportunity based on: Average daily traffic Motor vehicle speed Buffer and sidewalk width Slope of sidewalk Presence of parking and curb Across the roadway: Identify and compare opportunities to improve infrastructure based on: Average daily traffic Motor vehicle speed Road width Presence of traffic signals, curb ramps, and crosswalks
Examine demand at an eighth, a quarter, and a half mile radius from each destination Use layer strategy to determine “hot spots” where these destinations are located in proximity to each other. Weight is assigned to features to account for the assumption that certain destinations will generate relatively more pedestrian traffic than others (a light rail station will generate more pedestrian traffic than a bus stop).
Generate and quantify a defendable approximation of pedestrian demand Can see the differences between areas such as downtown, Capitol Hill, West Seattle, and the University District
Original criteria: Low income Low auto ownership People with disabilities Population over 65 Population under 18 Obesity Diabetes (proxy for chronic disease) Asthma Final criteria: Low income Low auto ownership People with disabilities Obesity Diabetes Low physical activity REMOVED: age and asthma
Along the roadway relative opportunity based on: Average daily traffic Motor vehicle speed Buffer and sidewalk width Slope of sidewalk Presence of parking and curb Across the roadway: Identify and compare opportunities to improve infrastructure based on: Average daily traffic Motor vehicle speed Road width Presence of traffic signals, curb ramps, and crosswalks
Goals Establish relative importance of different projects and areas Establish objective criteria and process for decision making Create a blueprint for implementing broader policy goals Outcomes Identify priority project areas and specific projects
The prioritization and opportunities analysis are combined to highlight areas that have both the greatest need. This approach highlights potential areas where infrastructure projects such as new sidewalks or pedestrian crossing islands are likely to have the biggest potential impact. Map on the left shows the highest improvement opportunities along the roadway in areas of highest priority. Map on the right shows the highest improvement opportunities across the roadway in areas of highest priority.
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