R Urban, Rural, Regional, Real Estate, and Transportation Economics
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R4 Transportation Economics

  • 总体
    • R40 General
      • R40 General
    • R41 Transportation: Demand, Supply, and Congestion • Travel Time • Safety and Accidents • Transportation Noise
      • R41 Transportation: Demand, Supply, and Congestion • Travel Time • Safety and Accidents • Transportation Noise
    • R42 Government and Private Investment Analysis • Road Maintenance • Transportation Planning
      • R42 Government and Private Investment Analysis • Road Maintenance • Transportation Planning
    • R48 Government Pricing and Policy
      • R48 Government Pricing and Policy
    • R49 Other
      • R49 Other