SUBJECT
Local transit
33
Planning
22
Transportation
20
Management
14
Urban transportation
10
Congresses
9
Finance
9
Transportation and state
9
Roads
7
Highway capacity
6
Traffic flow
6
Ridership
5
Urban transportation policy
5
Choice of transportation
4
Data processing
4
Land use
4
Rural transit
4
Traffic engineering
4
Traffic safety
4
Aeronautics, Commercial
3
Bus lines
3
Case studies
3
Cost effectiveness
3
Forecasting
3
Government policy
3
Maintenance and repair
3
Marketing
3
Suburbs
3
Toll roads
3
Airlines
2
Automobile parking
2
Cities and towns
2
Costs
2
Decision making
2
Deregulation
2
Employees
2
Evaluation
2
Express highways
2
Fares
2
Highway planning
2
Personnel management
2
Research
2
Speed limits
2
Street-railroads
2
Traffic congestion
2
Traffic estimation
2
Traffic regulations
2
Trip generation
2
Aeronautics and state
1
Airports
1
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