| A |
Productivity in various parts of the transportation sector |
| B |
Traffic flows for all modes of transportation |
| C |
Other elements of the Intermodal Transportation Database established
under subsection (e) |
| D |
Travel times and measures of congestion |
| E |
Vehicle weights and other vehicle characteristics |
| F |
Demographic, economic, and other variables influencing traveling
behavior, including choice of transportation mode, and goods movement |
| G |
Transportation costs for passenger travel and goods movement |
| H |
Availability and use of mass transit (including number of passengers
served by each mass transit authority) and other forms of for-hire passenger
travel |
| I |
Frequency of vehicle and transportation facility repairs and other
interruptions of transportation service |
| J |
Safety and security for travelers, vehicles, and transportation systems |
| K |
Consequences of transportation for the human and natural environment |
| L |
The extent, connectivity, and condition of the transportation system,
building on the National Transportation Atlas Database developed under
subsection (g) |
| M |
Transportation-related variables that influence the domestic economy
and global competitiveness |
