With the ultimate purpose of enhancing safety and improving mobility, the Statewide Shoulders Study was initiated to
develop a prioritized list of candidate locations for shoulder improvements. The need for this study stems directly from
ADOT’s desire to increase safety and mobility along the Arizona State Highway System. The project purpose is
demonstrated with the following statement of need:
Create Methodology. As the first statewide, shoulder improvement prioritization project conducted in Arizona,
a methodology needs to be developed that utilizes available data to accurately identify deficiencies. A
statewide and district-level prioritization is needed in order to appropriate limited funds for priority projects.
Develop List of Shoulder Improvement Locations. Currently, there is no statewide or ADOT Engineering
District-wide listing of prioritized locations for shoulder improvement projects. This document will serve as guidance for determining priority roadway segments within each ADOT District and throughout the State that
require funding.
Develop Feasible, Cost Effective Implementation Plan. High priority projects need to be evaluated for
feasibility and cost-effectiveness. Due to limited funding, innovative and cost effective alternatives beyond
traditional pavement applications need to be explored.
With the ultimate purpose of enhancing safety and improving mobility, the Statewide Shoulders Study was initiated todevelop a prioritized list of cand...
Many techniques for collecting highway inventory data have been used by state and local agencies in the U.S. Thesetechniques include field inventory, ...
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United States Department of Transportation
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