Excel | CSV | Graphic Version
| Overall | Direct/ Nonstop | Connecting | |
|---|---|---|---|
| Air city-pairs | 3.22 | 3.22 | |
| All rail city-pairs | -0.43 | -4.11 | 5.46 |
| Rail city-pairs outside the NEC | 3.73 | 1.11 | 5.46 |
| Bus city-pairs | 0.52 | 0.95 | -1.15 |
NOTE: NEC = Northeast Corridor (i.e., from Washington, DC to Boston, MA)
SOURCE: Amtrak, National, Northeast and Schedule Change Timetables, various issues (Washington, DC); Russell's Guides, Official National Motor Coach Guide, January 1985 and January 2002 (Cedar Rapids, Iowa); Greyhound Lines, Systems Timetable, January 1985 (Dallas, Texas); Official Airline Guide, February 1995 and 2002.