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195 3R resurfacing, restoration, and rehabilitation AADT average annual daily traffic AASHO American Association of State Highway Officials (predecessor to AASHTO) AASHTO American Association of State Highway and Transportation Officials ADA Americans with Disabilities Act AREMA American Railway Engineering and Maintenance of Right of Way Association ATC alternative technical concept AWSC all-way stop-controlled B/C benefit to cost BIM building information modeling CBA cost-benefit analysis CE categorical exclusion CETAS collaborative environmental transportation agreement for streamlining CEVP cost-estimating validation processes CMAP Chicago Metropolitan Agency of Planning CMF crash modification factor CSD context sensitive design CSS context sensitive solutions CTF community task force CTH county trunk highway DB design-build DHV design hourly volume DOT department of transportation DSD decision sight distance EA environmental assessment FHWA Federal Highway Administration FI fatal and injury FONSI finding of no significant impact GIS geographic information system HCM Highway Capacity Manual HCS Highway Capacity Software HOV high-occupancy vehicle HSIP highway safety improvement program HSM Highway Safety Manual I Interstate IHSDM Interactive Highway Safety Design Model ISATe Interchange Safety and Analysis Tool Enhanced ISD intersection sight distance Acronyms and Abbreviations
196 A Performance-Based Highway Geometric Design Process ISTEA Intermodal Surface Transportation Efficiency Act ITE Institute of Transportation Engineers ITS intelligent transportation system KA fatal and serious injury crashes KYTC Kentucky Transportation Cabinet LCCA life-cycle cost analysis LOS level of service LRFD load resistance factor design LTAP local technical assistance provider M&O maintenance and operating MoDOT Missouri Department of Transportation MPO metropolitan planning organizations MSD maneuver sight distance N/A not applicable NCHRP National Cooperative Highway Research Program NEPA National Environmental Policy Act NHS National Highway System O&M operation and maintenance ODOT Oregon Department of Transportation OTIA Oregon Transportation Investment Act PC point of curvature PCE passenger car equivalents PI point of intersection PSD passing sight distance PSI potential for safety improvement PT point of tangency RCUT restricted crossing U-turn ROD record of decision RSA road safety audit RSRAP resurfacing safety resource allocation program SPF safety performance function SSD stopping sight distance TS&L type, size, and location TWSC two-way stop-controlled v/c volume-to-capacity VE value engineering VLVLR very low-volume local roads VMT vehicle miles traveled vpd vehicles per day vph vehicles per hour WSDOT Washington State Department of Transportation
