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Federal
Motor Vehicle Registrations, 2000 - 2023 (MV-1)
Department of Transportation —
Annual state-reported motor vehicle registration data for the 50 states, DC, and Puerto Rico (2000 - 2010) reported in Highway Statistics table MV-1. -
Federal
Change in Indebtedness - State Highways, 2000-2023 (SB-2)
Department of Transportation —
Annual change in indebtedness during year in state obligations for highways for the 50 states and DC from the Highway Statistics Series table SB-2. -
Federal
HPMS County Summary 2023
Department of Transportation —
State DOTs provide Local and Rural Minor Collector mileage summarized by county and ownership as a direct input to the Highway Performance Management System (HPMS).