Better highways for Washington: needs by classified urban and rural systems : an engineering evaluation
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and in cooperation with
The Engineering Evaluation of High January 1969
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23-year construction needs AADT access roads access streets accident experience adequate analysis appraisal catch-up period Central Business District city streets construction costs county and city County Highway county roads deficient Department of Highways design standards DESIGNATED ARTERIALS designated county arterials engineering existing county existing State Highway facilities Federal-aid systems freeway func functional classification plan functional highway High highway agencies Highway System identified construction needs Intermediate Interstate System lanes maintenance costs major ment mileage minimum tolerable conditions motor vehicle needed improvements one-way pair Operating Speed over-all travel speed pavement population group present projects Puget Sound Railroad rated replacement responsibility Resurface Right-of-Way roads and streets routes rural serve Spokane Spokane International Airport statewide Stopgap Structure Loading study section surface condition surface type surface width Table tion TOTAL 23-YEAR PROGRAM Total Needs total program costs total travel transportation trip trucks urban areas Washington Washington State Legislature