project 7 sr 79 sedona 092210
DESCRIPTION
Case Study #7 for UTCM Report #08-14-03 "Making Mobility Improvements a Community Asset: Transportation Improvements Using Context-Sensitive Solutions"TRANSCRIPT
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Project 7State Route 79
Sedona area, Arizona
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SR 179 Originally constructed during 1930s Serves scenic red rock corridor
Tourist, recreational attraction Issues and project needs
Congestion Safety
Tourists stopping on road at vistas Sight distance limitations Limited shoulders Few turn lanes
Diverse contexts Urban Rural Suburban Highly scenic landscapes
Source: http://www.scenic179.com/
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Getting Started
Initial ADOT design opposed Citizens Agencies
Low public trust of ADOT ADOT initiated CSS process in late 1990s
7 jurisdictions Addressed issues, objectives
Provide natural vistas
Accommodate pedestrians, bikes
Maintain traffic flow during constructionPhotos: Red rocks and recreation along SR 179.
CSS Process Public outreach program Public education forums Multiple charrettes
Participants Stakeholders Public Advocates Environmentalists
Topics Tours, general desired characteristics, core values Design charrettes Extensive public interaction Selection of desired alternative
Design Advisory Panel Agencies Community volunteers Four design sections
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Design Features
Dedicated turn lanes Roundabouts
Capacity Speed management
Bike, pedestrian paths Scenic pullovers, overlooks 4-16 foot raised medians Bifurcated lanes within Coconino National Forest
Alternating passing lanes
Construction sequencing to avoid congestion Contractor incentives to reduce duration in central
Sedona Wildlife underpass
Source: http://www.scenic179.com/
Design Features (cont.)
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Source: http://www.scenic179.com/