| Air Network (1992) |
National Transportation Analysis
Regions (1993) |
| Airport Runways (1999) |
North
American Airports |
| AM Radio Stations (1999) |
North
American Highways |
| Amtrak Stations (2003) |
North
American Intermodal |
| BEA Regions (1977 & 1995
& 2004) |
North
American Railroads |
| Canadian Counties
(Incomplete) |
North
American States |
| Census tracts w/ Caliper
Transportation Profile |
North
American Water Ports |
| Central Business Districts
(1990) |
Place of Work
PUMS 1% Sample Areas (2000) |
| Component
Econ. Analysis
Regions (1995) |
Place of Work
PUMS 5% Sample Areas (2000) |
| Component
Econ. Analysis
Regions (2004) |
Public Use
Microdata Sample Areas (1990) |
| Conterminous
United States Coastline |
Railroads
1:100,000 (1998) |
| Dams (1998) |
Railroads
1:2,000,000 (1998) |
| Federal Aid
Urbanized Areas (1995) |
Rail Border
Crossings |
| FM Radio
Stations (1999) |
Road Border
Crossings |
| Freight
Analysis Framework Network |
30-second
Digital Elevation Model |
| Indian
Reservations |
Transit and
Ferry Network |
| Migration
PUMS 1% Sample Areas (2000) |
Transportation Analysis Zones (1990 & 2000) |
| Migration
PUMS 5% Sample Areas (2000) |
TV Stations
(1999) |
| Military
Installations (2003) |
Urbanized
Areas (1990) |
| MPO Planning
Areas |
Urbanized
Areas and Urban Clusters (2000) |
| National
Parks |
Waterway
Network v2.2 |