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Table 4‑1. State Travel Activity, Energy Use, and CO2 Emissions, by Mode (2001)
Excel | CSV
| On-road Vehicles |
110,605,341 |
Vehicle Miles Traveled (VMT) |
819,924,369,540 |
7,413 |
57,373,508 |
0.52 |
| Light-duty
Vehicles |
60,608,819 |
VMT |
350,459,900,651 |
5,782 |
24,418,807 |
0.40 |
| Light-duty
Trucks |
43,920,975 |
VMT |
358,518,288,327 |
8,163 |
25,003,784 |
0.57 |
| Heavy-duty
Trucks |
6,075,547 |
VMT |
110,946,180,563 |
18,261 |
7,950,918 |
1.31 |
| Buses |
12,802,543 |
Passenger Miles Traveled (PMT) |
20,293,937,730 |
1,585 |
1,460,316 |
0.11 |
| Transit |
2,718,977 |
PMT |
10,122,084,345 |
3,723 |
714,380 |
0.26 |
| School |
10,083,567 |
PMT |
10,171,853,386 |
1,009 |
745,936 |
0.07 |
| Water Freight |
33,975 |
Tons |
116,330,198,008 |
NE* |
8,753,672 |
NE* |
| Rail** |
NA |
NA |
12,658,301,013 |
NA |
1,494,596 |
NA |
| Freight |
5,191,081 |
Ton-miles |
1,796,114,009 |
346 |
130,071 |
0.03 |
| Transit |
12,626,201 |
PMT |
10,862,187,004 |
860 |
1,364,525 |
0.11 |
| State Total** |
NA |
NA |
969,206,806,291 |
NA |
69,082,093 |
NA |
* NE = Not
Estimated. Energy and CO2 intensity were not estimated because the
travel unit is provided in “tons” since ton-miles were not able to be
calculated for water freight; because tons are actually a measurement of weight
and not of travel, intensities were not calculated.
** NA = Not
Applicable. Travel cannot be quantified across all modes since the units are
mode specific (e.g., VMT, ton-miles) and therefore not comparable. Similarly,
travel could not be quantified for the total rail travel since the travel units
are different for transit and freight rail. Since travel units are not
quantified, energy and CO2 intensities across the difference modes
cannot be calculated either.
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