NOTE: These data are as provided by the States to the Highway Performance Monitoring System. If no data are shown for a State, it is because none were provided. Reporting of motorcycles is at the option of the reporting State. States are allowed to report light trucks and cars as a single value in the "Cars" category.
| Year | State FIPS | State Name | Highway Class Code | Highway Class Name | Cars | Motorcycles | Buses | Light Truck - other 2-AXLE 4-Tire Vehicles | Single-unit 2-Axle 6-Tire: Or More Trucks | Combination Trucks |
|---|---|---|---|---|---|---|---|---|---|---|
| 2000 | 1 | Alabama | 1 | Rural Interstate | 59.0% | 0.7% | 1.5% | 14.5% | 6.4% | 18.0% |
| 2000 | 2 | Alaska | 1 | Rural Interstate | 39.8% | 0.3% | 0.3% | 44.9% | 14.4% | 0.2% |
| 2000 | 4 | Arizona | 1 | Rural Interstate | 47.4% | 0.3% | 0.4% | 19.7% | 5.3% | 26.9% |
| 2000 | 5 | Arkansas | 1 | Rural Interstate | 46.6% | 0.1% | 0.1% | 19.8% | 5.4% | 28.0% |
| 2000 | 6 | California | 1 | Rural Interstate | 70.3% | 0.0% | 0.2% | 13.0% | 3.1% | 13.4% |
| 2000 | 8 | Colorado | 1 | Rural Interstate | 80.3% | 0.0% | 0.5% | 0.0% | 5.4% | 13.8% |
| 2000 | 9 | Connecticut | 1 | Rural Interstate | 72.8% | 0.1% | 0.5% | 11.7% | 3.0% | 11.9% |
| 2000 | 10 | Delaware | 1 | Rural Interstate | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% |
| 2000 | 11 | District of Columbia | 1 | Rural Interstate | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% |
| 2000 | 12 | Florida | 1 | Rural Interstate | 67.9% | 0.3% | 0.8% | 14.5% | 8.0% | 8.5% |
| 2000 | 13 | Georgia | 1 | Rural Interstate | 51.8% | 0.1% | 0.4% | 22.4% | 4.2% | 21.0% |
| 2000 | 15 | Hawaii | 1 | Rural Interstate | 82.6% | 0.0% | 0.2% | 13.1% | 3.0% | 1.1% |
| 2000 | 16 | Idaho | 1 | Rural Interstate | 42.3% | 1.4% | 0.3% | 29.8% | 5.3% | 20.9% |
| 2000 | 17 | Illinois | 1 | Rural Interstate | 69% | 0% | 1% | 0% | 3% | 28% |
| 2000 | 18 | Indiana | 1 | Rural Interstate | 55.7% | 0.3% | 0.8% | 12.4% | 3.1% | 27.7% |
| 2000 | 19 | Iowa | 1 | Rural Interstate | 59.6% | 0.5% | 0.4% | 0.0% | 4.2% | 35.3% |
| 2000 | 20 | Kansas | 1 | Rural Interstate | 53.9% | 0.5% | 0.7% | 17.5% | 3.4% | 24.0% |
| 2000 | 21 | Kentucky | 1 | Rural Interstate | 43.8% | 0.2% | 0.3% | 28.0% | 4.2% | 23.5% |
| 2000 | 22 | Louisiana | 1 | Rural Interstate | 56.8% | 0.2% | 0.4% | 19.9% | 6.0% | 16.7% |
| 2000 | 23 | Maine | 1 | Rural Interstate | 71.1% | 0.2% | 0.3% | 14.6% | 3.6% | 10.2% |
| 2000 | 24 | Maryland | 1 | Rural Interstate | 63.7% | 0.9% | 1.4% | 15.0% | 7.2% | 11.8% |
| 2000 | 25 | Massachusetts | 1 | Rural Interstate | 76.7% | 0.0% | 0.9% | 10.2% | 2.7% | 9.5% |
| 2000 | 26 | Michigan | 1 | Rural Interstate | 61.8% | 0.1% | 0.3% | 19.6% | 4.7% | 13.5% |
| 2000 | 27 | Minnesota | 1 | Rural Interstate | 85.1% | 0.0% | 0.2% | 0.0% | 2.6% | 12.1% |
| 2000 | 28 | Mississippi | 1 | Rural Interstate | 55.5% | 0.3% | 0.8% | 15.2% | 6.5% | 21.7% |
| 2000 | 29 | Missouri | 1 | Rural Interstate | 67.6% | 0.0% | 0.8% | 0.0% | 3.9% | 27.7% |
| 2000 | 30 | Montana | 1 | Rural Interstate | 52.2% | 0.8% | 0.6% | 26.3% | 3.2% | 16.9% |
| 2000 | 31 | Nebraska | 1 | Rural Interstate | 35.8% | 0.1% | 0.5% | 25.1% | 2.9% | 35.7% |
| 2000 | 32 | Nevada | 1 | Rural Interstate | 71.2% | 0.0% | 0.7% | 0.0% | 3.6% | 24.5% |
| 2000 | 33 | New Hampshire | 1 | Rural Interstate | 54.2% | 0.1% | 0.2% | 37.5% | 4.3% | 3.7% |
| 2000 | 34 | New Jersey | 1 | Rural Interstate | 71.3% | 0.1% | 0.7% | 12.2% | 4.4% | 11.3% |
| 2000 | 35 | New Mexico | 1 | Rural Interstate | 56.0% | 1.0% | 1.5% | 17.1% | 6.2% | 18.2% |
| 2000 | 36 | New York | 1 | Rural Interstate | 63.7% | 0.2% | 0.5% | 13.5% | 3.2% | 18.9% |
| 2000 | 37 | North Carolina | 1 | Rural Interstate | 63.4% | 0.4% | 0.9% | 11.0% | 2.9% | 21.4% |
| 2000 | 38 | North Dakota | 1 | Rural Interstate | 53.4% | 0.8% | 0.5% | 25.8% | 5.6% | 13.9% |
| 2000 | 39 | Ohio | 1 | Rural Interstate | 56.3% | 0.3% | 0.3% | 13.1% | 2.4% | 27.6% |
| 2000 | 40 | Oklahoma | 1 | Rural Interstate | 47.7% | 0.7% | 1.4% | 16.7% | 10.2% | 23.3% |
| 2000 | 41 | Oregon | 1 | Rural Interstate | 48.8% | 0.2% | 0.3% | 24.7% | 4.3% | 21.6% |
| 2000 | 42 | Pennsylvania | 1 | Rural Interstate | 59.8% | 0.0% | 0.0% | 12.0% | 4.5% | 23.7% |
| 2000 | 44 | Rhode Island | 1 | Rural Interstate | 80.0% | 0.4% | 0.7% | 7.0% | 2.0% | 9.9% |
| 2000 | 45 | South Carolina | 1 | Rural Interstate | 66.2% | 0.9% | 5.3% | 15.7% | 7.7% | 4.2% |
| 2000 | 46 | South Dakota | 1 | Rural Interstate | 59.7% | 0.0% | 0.1% | 20.5% | 2.7% | 17.0% |
| 2000 | 47 | Tennessee | 1 | Rural Interstate | 53.3% | 0.2% | 0.5% | 24.0% | 5.0% | 17.0% |
| 2000 | 48 | Texas | 1 | Rural Interstate | 54.9% | 0.0% | 0.5% | 16.8% | 5.5% | 22.4% |
| 2000 | 49 | Utah | 1 | Rural Interstate | 56.4% | 0.0% | 0.2% | 19.8% | 3.7% | 19.9% |
| 2000 | 50 | Vermont | 1 | Rural Interstate | 65.1% | 0.9% | 2.5% | 15.7% | 3.8% | 12.0% |
| 2000 | 51 | Virginia | 1 | Rural Interstate | 63.4% | 0.5% | 0.8% | 10.5% | 2.6% | 22.2% |
| 2000 | 54 | West Virginia | 1 | Rural Interstate | 70.8% | 0.1% | 0.2% | 9.9% | 18.9% | 0.1% |
| 2000 | 55 | Wisconsin | 1 | Rural Interstate | 66.3% | 0.4% | 0.8% | 11.6% | 2.4% | 18.5% |
| 2000 | 56 | Wyoming | 1 | Rural Interstate | 38.0% | 0.3% | 0.3% | 25.9% | 1.8% | 33.7% |
| 2000 | 72 | Puerto Rico | 1 | Rural Interstate | 84.8% | 0.1% | 0.3% | 8.8% | 3.8% | 2.2% |
| 2000 | 1 | Alabama | 2 | Rural Other Arterial | 70.0% | 0.8% | 0.6% | 16.3% | 4.7% | 7.6% |
| 2000 | 2 | Alaska | 2 | Rural Other Arterial | 41.3% | 0.7% | 0.2% | 49.4% | 8.3% | 0.0% |
| 2000 | 4 | Arizona | 2 | Rural Other Arterial | 60.4% | 1.2% | 0.8% | 26.4% | 3.6% | 7.6% |
| 2000 | 5 | Arkansas | 2 | Rural Other Arterial | 50.1% | 0.1% | 0.1% | 26.8% | 4.6% | 18.3% |
| 2000 | 6 | California | 2 | Rural Other Arterial | 71.7% | 0.5% | 0.7% | 14.8% | 3.8% | 8.5% |
| 2000 | 8 | Colorado | 2 | Rural Other Arterial | 58.5% | 1.2% | 0.4% | 29.2% | 4.1% | 6.6% |
| 2000 | 9 | Connecticut | 2 | Rural Other Arterial | 79.4% | 0.1% | 0.4% | 14.7% | 2.7% | 2.7% |
| 2000 | 10 | Delaware | 2 | Rural Other Arterial | 73.1% | 0.3% | 0.7% | 14.9% | 3.8% | 7.2% |
| 2000 | 11 | District of Columbia | 2 | Rural Other Arterial | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% |
| 2000 | 12 | Florida | 2 | Rural Other Arterial | 70.1% | 0.3% | 0.6% | 16.9% | 7.0% | 5.1% |
| 2000 | 13 | Georgia | 2 | Rural Other Arterial | 71.4% | 0.4% | 0.5% | 16.3% | 3.8% | 7.6% |
| 2000 | 15 | Hawaii | 2 | Rural Other Arterial | 83.7% | 0.7% | 0.6% | 11.4% | 2.4% | 1.3% |
| 2000 | 16 | Idaho | 2 | Rural Other Arterial | 50.5% | 0.6% | 0.2% | 36.8% | 4.9% | 7.0% |
| 2000 | 17 | Illinois | 2 | Rural Other Arterial | 88% | 0% | 1% | 0% | 4% | 7% |
| 2000 | 18 | Indiana | 2 | Rural Other Arterial | 66.4% | 0.4% | 0.6% | 17.9% | 3.9% | 10.9% |
| 2000 | 19 | Iowa | 2 | Rural Other Arterial | 81.1% | 1.0% | 0.3% | 0.0% | 5.5% | 12.1% |
| 2000 | 20 | Kansas | 2 | Rural Other Arterial | 60.4% | 0.3% | 0.4% | 23.7% | 3.9% | 11.3% |
| 2000 | 21 | Kentucky | 2 | Rural Other Arterial | 57.1% | 0.2% | 0.4% | 30.9% | 4.5% | 6.9% |
| 2000 | 22 | Louisiana | 2 | Rural Other Arterial | 54.2% | 0.3% | 0.6% | 26.9% | 7.6% | 10.4% |
| 2000 | 23 | Maine | 2 | Rural Other Arterial | 71.5% | 0.7% | 0.6% | 18.2% | 4.2% | 4.8% |
| 2000 | 24 | Maryland | 2 | Rural Other Arterial | 72.0% | 2.3% | 1.1% | 17.3% | 4.3% | 3.0% |
| 2000 | 25 | Massachusetts | 2 | Rural Other Arterial | 76.9% | 0.0% | 0.8% | 14.0% | 3.7% | 4.6% |
| 2000 | 26 | Michigan | 2 | Rural Other Arterial | 66.5% | 0.2% | 0.2% | 22.6% | 3.5% | 7.0% |
| 2000 | 27 | Minnesota | 2 | Rural Other Arterial | 89.6% | 0.0% | 0.2% | 0.0% | 3.6% | 6.6% |
| 2000 | 28 | Mississippi | 2 | Rural Other Arterial | 64.1% | 0.3% | 0.7% | 18.3% | 5.5% | 11.1% |
| 2000 | 29 | Missouri | 2 | Rural Other Arterial | 86.7% | 0.0% | 0.6% | 0.0% | 4.0% | 8.7% |
| 2000 | 30 | Montana | 2 | Rural Other Arterial | 54.2% | 0.6% | 0.4% | 34.3% | 3.0% | 7.5% |
| 2000 | 31 | Nebraska | 2 | Rural Other Arterial | 45.8% | 0.2% | 0.3% | 38.6% | 4.2% | 10.9% |
| 2000 | 32 | Nevada | 2 | Rural Other Arterial | 81.2% | 0.0% | 0.5% | 0.0% | 4.5% | 13.8% |
| 2000 | 33 | New Hampshire | 2 | Rural Other Arterial | 65.6% | 0.8% | 0.8% | 25.0% | 4.0% | 3.8% |
| 2000 | 34 | New Jersey | 2 | Rural Other Arterial | 73.6% | 0.2% | 0.4% | 18.4% | 4.2% | 3.2% |
| 2000 | 35 | New Mexico | 2 | Rural Other Arterial | 56.1% | 0.9% | 0.8% | 25.6% | 6.6% | 10.0% |
| 2000 | 36 | New York | 2 | Rural Other Arterial | 72.5% | 0.3% | 0.7% | 18.4% | 3.9% | 4.2% |
| 2000 | 37 | North Carolina | 2 | Rural Other Arterial | 72.3% | 0.4% | 0.5% | 15.8% | 4.1% | 6.9% |
| 2000 | 38 | North Dakota | 2 | Rural Other Arterial | 59.3% | 0.2% | 0.4% | 24.5% | 6.3% | 9.3% |
| 2000 | 39 | Ohio | 2 | Rural Other Arterial | 66.1% | 0.4% | 0.1% | 18.0% | 2.6% | 12.8% |
| 2000 | 40 | Oklahoma | 2 | Rural Other Arterial | 51.4% | 0.5% | 0.7% | 25.4% | 7.4% | 14.7% |
| 2000 | 41 | Oregon | 2 | Rural Other Arterial | 51.1% | 0.6% | 0.3% | 34.6% | 4.3% | 9.0% |
| 2000 | 42 | Pennsylvania | 2 | Rural Other Arterial | 67.7% | 0.0% | 0.0% | 22.4% | 5.4% | 4.5% |
| 2000 | 44 | Rhode Island | 2 | Rural Other Arterial | 80.3% | 0.4% | 0.5% | 14.9% | 2.2% | 1.7% |
| 2000 | 45 | South Carolina | 2 | Rural Other Arterial | 73.3% | 2.6% | 2.3% | 16.8% | 3.6% | 1.4% |
| 2000 | 46 | South Dakota | 2 | Rural Other Arterial | 61.1% | 0.0% | 0.1% | 26.4% | 2.8% | 9.6% |
| 2000 | 47 | Tennessee | 2 | Rural Other Arterial | 72.3% | 0.3% | 0.3% | 19.1% | 3.0% | 5.0% |
| 2000 | 48 | Texas | 2 | Rural Other Arterial | 56.3% | 0.0% | 0.4% | 25.2% | 6.9% | 11.2% |
| 2000 | 49 | Utah | 2 | Rural Other Arterial | 68.2% | 0.0% | 0.5% | 20.2% | 3.8% | 7.3% |
| 2000 | 50 | Vermont | 2 | Rural Other Arterial | 72.2% | 0.9% | 0.8% | 18.5% | 3.7% | 3.9% |
| 2000 | 51 | Virginia | 2 | Rural Other Arterial | 75.8% | 0.2% | 0.6% | 14.1% | 3.2% | 6.1% |
| 2000 | 54 | West Virginia | 2 | Rural Other Arterial | 72.2% | 0.3% | 0.3% | 14.8% | 12.2% | 0.2% |
| 2000 | 55 | Wisconsin | 2 | Rural Other Arterial | 69.0% | 0.9% | 0.5% | 18.8% | 3.6% | 7.2% |
| 2000 | 56 | Wyoming | 2 | Rural Other Arterial | 47.9% | 0.3% | 0.4% | 42.2% | 2.3% | 7.0% |
| 2000 | 72 | Puerto Rico | 2 | Rural Other Arterial | 86.4% | 0.2% | 0.3% | 8.9% | 4.2% | 0.0% |
| 2000 | 1 | Alabama | 6 | Other Rural | 77.2% | 0.3% | 0.4% | 16.5% | 2.9% | 2.7% |
| 2000 | 2 | Alaska | 6 | Other Rural | 44.9% | 0.7% | 0.2% | 49.5% | 4.5% | 0.1% |
| 2000 | 4 | Arizona | 6 | Other Rural | 56.7% | 0.8% | 0.5% | 31.0% | 3.7% | 7.3% |
| 2000 | 5 | Arkansas | 6 | Other Rural | 53.3% | 0.1% | 0.1% | 32.2% | 4.8% | 9.5% |
| 2000 | 6 | California | 6 | Other Rural | 70.9% | 0.4% | 0.9% | 23.0% | 2.5% | 2.3% |
| 2000 | 8 | Colorado | 6 | Other Rural | 91.1% | 0.0% | 0.3% | 0.0% | 5.0% | 3.6% |
| 2000 | 9 | Connecticut | 6 | Other Rural | 81.3% | 0.1% | 0.1% | 14.8% | 2.6% | 1.1% |
| 2000 | 10 | Delaware | 6 | Other Rural | 82.4% | 0.2% | 1.1% | 12.9% | 2.8% | 0.6% |
| 2000 | 11 | District of Columbia | 6 | Other Rural | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% |
| 2000 | 12 | Florida | 6 | Other Rural | 72.4% | 0.3% | 0.7% | 18.2% | 5.2% | 3.2% |
| 2000 | 13 | Georgia | 6 | Other Rural | 69.7% | 0.2% | 0.3% | 21.8% | 4.5% | 3.4% |
| 2000 | 15 | Hawaii | 6 | Other Rural | 67.8% | 1.3% | 0.4% | 23.9% | 5.3% | 1.3% |
| 2000 | 16 | Idaho | 6 | Other Rural | 49.2% | 0.6% | 0.1% | 39.6% | 5.2% | 5.3% |
| 2000 | 17 | Illinois | 6 | Other Rural | 92% | 0% | 1% | 0% | 4% | 3% |
| 2000 | 18 | Indiana | 6 | Other Rural | 71.2% | 0.4% | 0.5% | 19.9% | 3.8% | 4.2% |
| 2000 | 19 | Iowa | 6 | Other Rural | 87.9% | 1.1% | 0.2% | 0.0% | 5.3% | 5.5% |
| 2000 | 20 | Kansas | 6 | Other Rural | 59.4% | 0.4% | 0.4% | 31.2% | 4.8% | 3.8% |
| 2000 | 21 | Kentucky | 6 | Other Rural | 61.4% | 0.3% | 0.6% | 30.1% | 4.1% | 3.5% |
| 2000 | 22 | Louisiana | 6 | Other Rural | 57.7% | 0.3% | 0.9% | 28.5% | 7.0% | 5.6% |
| 2000 | 23 | Maine | 6 | Other Rural | 70.0% | 1.1% | 0.6% | 21.5% | 4.7% | 2.1% |
| 2000 | 24 | Maryland | 6 | Other Rural | 71.8% | 3.1% | 0.6% | 17.4% | 5.2% | 1.9% |
| 2000 | 25 | Massachusetts | 6 | Other Rural | 81.5% | 0.0% | 0.5% | 13.9% | 2.8% | 1.3% |
| 2000 | 26 | Michigan | 6 | Other Rural | 69.9% | 0.3% | 1.6% | 23.3% | 2.1% | 2.7% |
| 2000 | 27 | Minnesota | 6 | Other Rural | 91.6% | 0.0% | 0.2% | 0.0% | 4.0% | 4.2% |
| 2000 | 28 | Mississippi | 6 | Other Rural | 72.0% | 0.3% | 0.6% | 20.2% | 4.3% | 2.6% |
| 2000 | 29 | Missouri | 6 | Other Rural | 88.8% | 0.0% | 0.6% | 0.0% | 2.3% | 8.3% |
| 2000 | 30 | Montana | 6 | Other Rural | 50.7% | 0.2% | 0.4% | 40.6% | 3.7% | 4.4% |
| 2000 | 31 | Nebraska | 6 | Other Rural | 43.1% | 0.1% | 0.3% | 45.5% | 5.1% | 5.9% |
| 2000 | 32 | Nevada | 6 | Other Rural | 87.8% | 0.0% | 0.3% | 0.0% | 3.4% | 8.5% |
| 2000 | 33 | New Hampshire | 6 | Other Rural | 68.5% | 0.9% | 1.4% | 22.5% | 4.6% | 2.1% |
| 2000 | 34 | New Jersey | 6 | Other Rural | 81.3% | 0.2% | 0.5% | 13.3% | 3.5% | 1.2% |
| 2000 | 35 | New Mexico | 6 | Other Rural | 58.1% | 1.1% | 1.4% | 27.6% | 7.1% | 4.7% |
| 2000 | 36 | New York | 6 | Other Rural | 74.1% | 0.2% | 0.5% | 19.6% | 3.7% | 1.9% |
| 2000 | 37 | North Carolina | 6 | Other Rural | 76.6% | 0.5% | 0.3% | 16.5% | 3.6% | 2.5% |
| 2000 | 38 | North Dakota | 6 | Other Rural | 52.3% | 0.7% | 0.5% | 27.6% | 8.3% | 10.6% |
| 2000 | 39 | Ohio | 6 | Other Rural | 72.8% | 0.6% | 0.1% | 20.3% | 2.1% | 4.1% |
| 2000 | 40 | Oklahoma | 6 | Other Rural | 58.0% | 0.4% | 0.5% | 28.2% | 6.2% | 6.7% |
| 2000 | 41 | Oregon | 6 | Other Rural | 55.4% | 0.5% | 0.5% | 37.1% | 3.9% | 2.5% |
| 2000 | 42 | Pennsylvania | 6 | Other Rural | 63.0% | 0.0% | 0.0% | 28.9% | 6.8% | 1.3% |
| 2000 | 44 | Rhode Island | 6 | Other Rural | 79.3% | 0.3% | 0.6% | 16.1% | 2.8% | 0.9% |
| 2000 | 45 | South Carolina | 6 | Other Rural | 78.3% | 1.4% | 0.8% | 17.5% | 1.3% | 0.7% |
| 2000 | 46 | South Dakota | 6 | Other Rural | 65.5% | 0.0% | 0.1% | 28.8% | 1.8% | 3.8% |
| 2000 | 47 | Tennessee | 6 | Other Rural | 68.9% | 2.0% | 0.4% | 22.2% | 4.0% | 2.5% |
| 2000 | 48 | Texas | 6 | Other Rural | 55.4% | 0.0% | 0.6% | 29.5% | 8.0% | 6.5% |
| 2000 | 49 | Utah | 6 | Other Rural | 69.5% | 0.0% | 0.2% | 21.5% | 4.9% | 3.9% |
| 2000 | 50 | Vermont | 6 | Other Rural | 73.4% | 0.9% | 0.6% | 20.3% | 3.7% | 1.1% |
| 2000 | 51 | Virginia | 6 | Other Rural | 77.4% | 0.4% | 0.6% | 16.3% | 3.5% | 1.9% |
| 2000 | 54 | West Virginia | 6 | Other Rural | 75.8% | 0.4% | 1.0% | 17.8% | 4.9% | 0.1% |
| 2000 | 55 | Wisconsin | 6 | Other Rural | 68.2% | 1.4% | 0.5% | 22.8% | 3.8% | 3.3% |
| 2000 | 56 | Wyoming | 6 | Other Rural | 42.7% | 0.1% | 0.9% | 46.8% | 4.1% | 5.4% |
| 2000 | 72 | Puerto Rico | 6 | Other Rural | 86.6% | 0.3% | 0.3% | 8.8% | 3.1% | 0.9% |
| 2000 | 1 | Alabama | 11 | Urban Interstate | 64.3% | 0.8% | 0.3% | 18.7% | 5.3% | 10.5% |
| 2000 | 2 | Alaska | 11 | Urban Interstate | 67.6% | 0.2% | 0.4% | 25.0% | 6.7% | 0.1% |
| 2000 | 4 | Arizona | 11 | Urban Interstate | 51.2% | 0.3% | 0.4% | 26.9% | 5.2% | 16.0% |
| 2000 | 5 | Arkansas | 11 | Urban Interstate | 57.4% | 0.0% | 0.1% | 25.8% | 4.1% | 12.6% |
| 2000 | 6 | California | 11 | Urban Interstate | 86.1% | 0.0% | 0.1% | 9.2% | 1.9% | 2.7% |
| 2000 | 8 | Colorado | 11 | Urban Interstate | 92.2% | 0.0% | 0.3% | 0.0% | 3.8% | 3.7% |
| 2000 | 9 | Connecticut | 11 | Urban Interstate | 77.9% | 0.2% | 0.4% | 11.0% | 2.8% | 7.7% |
| 2000 | 10 | Delaware | 11 | Urban Interstate | 78.7% | 0.9% | 1.2% | 9.8% | 2.9% | 6.5% |
| 2000 | 11 | District of Columbia | 11 | Urban Interstate | 95.1% | 0.3% | 0.4% | 0.9% | 2.7% | 0.6% |
| 2000 | 12 | Florida | 11 | Urban Interstate | 83.6% | 0.3% | 0.8% | 11.9% | 3.0% | 0.4% |
| 2000 | 13 | Georgia | 11 | Urban Interstate | 67.6% | 0.1% | 0.2% | 21.8% | 3.4% | 6.9% |
| 2000 | 15 | Hawaii | 11 | Urban Interstate | 96.2% | 0.4% | 0.5% | 0.0% | 2.2% | 0.7% |
| 2000 | 16 | Idaho | 11 | Urban Interstate | 52.2% | 1.1% | 0.3% | 31.3% | 4.7% | 10.5% |
| 2000 | 17 | Illinois | 11 | Urban Interstate | 87% | 0% | 1% | 0% | 2% | 10% |
| 2000 | 18 | Indiana | 11 | Urban Interstate | 65.1% | 0.2% | 0.6% | 13.0% | 3.1% | 18.0% |
| 2000 | 19 | Iowa | 11 | Urban Interstate | 82.5% | 0.7% | 0.3% | 0.0% | 2.8% | 13.7% |
| 2000 | 20 | Kansas | 11 | Urban Interstate | 66.2% | 0.3% | 0.3% | 23.8% | 3.2% | 6.2% |
| 2000 | 21 | Kentucky | 11 | Urban Interstate | 55.4% | 0.1% | 0.2% | 30.3% | 3.6% | 10.4% |
| 2000 | 22 | Louisiana | 11 | Urban Interstate | 62.0% | 0.2% | 0.5% | 19.0% | 6.0% | 12.3% |
| 2000 | 23 | Maine | 11 | Urban Interstate | 74.3% | 0.2% | 0.2% | 18.7% | 3.4% | 3.2% |
| 2000 | 24 | Maryland | 11 | Urban Interstate | 82.0% | 0.4% | 0.5% | 9.2% | 2.9% | 5.0% |
| 2000 | 25 | Massachusetts | 11 | Urban Interstate | 80.4% | 0.0% | 1.0% | 10.9% | 3.4% | 4.3% |
| 2000 | 26 | Michigan | 11 | Urban Interstate | 73.5% | 0.1% | 0.2% | 15.4% | 4.2% | 6.6% |
| 2000 | 27 | Minnesota | 11 | Urban Interstate | 93.2% | 0.0% | 0.3% | 0.0% | 2.6% | 3.9% |
| 2000 | 28 | Mississippi | 11 | Urban Interstate | 66.2% | 0.2% | 0.4% | 15.5% | 4.8% | 12.9% |
| 2000 | 29 | Missouri | 11 | Urban Interstate | 89.1% | 0.0% | 0.6% | 0.0% | 4.4% | 5.9% |
| 2000 | 30 | Montana | 11 | Urban Interstate | 59.3% | 0.2% | 0.2% | 28.9% | 2.2% | 9.2% |
| 2000 | 31 | Nebraska | 11 | Urban Interstate | 46.9% | 0.2% | 0.2% | 37.8% | 4.1% | 10.8% |
| 2000 | 32 | Nevada | 11 | Urban Interstate | 91.0% | 0.0% | 0.5% | 0.0% | 2.6% | 5.9% |
| 2000 | 33 | New Hampshire | 11 | Urban Interstate | 49.3% | 0.5% | 0.3% | 40.1% | 4.5% | 5.3% |
| 2000 | 34 | New Jersey | 11 | Urban Interstate | 76.9% | 0.0% | 0.9% | 10.8% | 4.3% | 7.1% |
| 2000 | 35 | New Mexico | 11 | Urban Interstate | 71.4% | 0.7% | 0.5% | 16.6% | 4.2% | 6.6% |
| 2000 | 36 | New York | 11 | Urban Interstate | 80.1% | 0.1% | 0.7% | 6.6% | 3.2% | 9.3% |
| 2000 | 37 | North Carolina | 11 | Urban Interstate | 75.2% | 0.2% | 0.6% | 8.4% | 2.6% | 13.0% |
| 2000 | 38 | North Dakota | 11 | Urban Interstate | 67.3% | 0.2% | 0.3% | 19.7% | 3.8% | 8.7% |
| 2000 | 39 | Ohio | 11 | Urban Interstate | 66.5% | 0.3% | 0.2% | 14.6% | 2.2% | 16.2% |
| 2000 | 40 | Oklahoma | 11 | Urban Interstate | 66.8% | 0.2% | 0.5% | 20.7% | 5.1% | 6.7% |
| 2000 | 41 | Oregon | 11 | Urban Interstate | 62.8% | 0.2% | 0.3% | 24.8% | 3.5% | 8.4% |
| 2000 | 42 | Pennsylvania | 11 | Urban Interstate | 73.7% | 0.0% | 0.0% | 12.0% | 4.2% | 10.1% |
| 2000 | 44 | Rhode Island | 11 | Urban Interstate | 86.4% | 0.3% | 0.4% | 7.9% | 1.6% | 3.4% |
| 2000 | 45 | South Carolina | 11 | Urban Interstate | 84.6% | 1.2% | 0.9% | 11.4% | 1.2% | 0.7% |
| 2000 | 46 | South Dakota | 11 | Urban Interstate | 74.2% | 0.0% | 0.1% | 20.0% | 2.0% | 3.7% |
| 2000 | 47 | Tennessee | 11 | Urban Interstate | 49.6% | 0.1% | 0.2% | 36.2% | 3.4% | 10.5% |
| 2000 | 48 | Texas | 11 | Urban Interstate | 71.2% | 0.0% | 0.3% | 17.4% | 4.1% | 7.0% |
| 2000 | 49 | Utah | 11 | Urban Interstate | 71.7% | 0.0% | 0.2% | 18.0% | 3.4% | 6.7% |
| 2000 | 50 | Vermont | 11 | Urban Interstate | 68.1% | 0.7% | 1.2% | 14.0% | 3.7% | 12.3% |
| 2000 | 51 | Virginia | 11 | Urban Interstate | 78.4% | 0.2% | 0.6% | 10.4% | 2.3% | 8.1% |
| 2000 | 54 | West Virginia | 11 | Urban Interstate | 69.5% | 0.1% | 0.2% | 9.8% | 20.2% | 0.2% |
| 2000 | 55 | Wisconsin | 11 | Urban Interstate | 70.9% | 0.4% | 0.7% | 13.9% | 3.1% | 11.0% |
| 2000 | 56 | Wyoming | 11 | Urban Interstate | 36.2% | 0.2% | 0.4% | 21.5% | 2.1% | 39.6% |
| 2000 | 72 | Puerto Rico | 11 | Urban Interstate | 81.2% | 0.1% | 0.1% | 13.3% | 3.9% | 1.4% |
| 2000 | 1 | Alabama | 12 | Urban Other Arterial | 73.1% | 0.6% | 0.3% | 18.4% | 3.1% | 4.5% |
| 2000 | 2 | Alaska | 12 | Urban Other Arterial | 57.3% | 0.3% | 0.7% | 37.5% | 4.2% | 0.0% |
| 2000 | 4 | Arizona | 12 | Urban Other Arterial | 57.9% | 0.4% | 0.5% | 29.1% | 5.1% | 7.0% |
| 2000 | 5 | Arkansas | 12 | Urban Other Arterial | 60.6% | 0.1% | 0.1% | 27.9% | 5.8% | 5.5% |
| 2000 | 6 | California | 12 | Urban Other Arterial | 84.9% | 0.1% | 0.1% | 9.5% | 2.3% | 3.1% |
| 2000 | 8 | Colorado | 12 | Urban Other Arterial | 94.3% | 0.0% | 1.4% | 0.0% | 2.9% | 1.4% |
| 2000 | 9 | Connecticut | 12 | Urban Other Arterial | 83.4% | 0.1% | 0.1% | 12.6% | 2.1% | 1.7% |
| 2000 | 10 | Delaware | 12 | Urban Other Arterial | 75.9% | 1.5% | 0.9% | 13.4% | 5.2% | 3.1% |
| 2000 | 11 | District of Columbia | 12 | Urban Other Arterial | 94.0% | 0.4% | 0.8% | 1.0% | 3.6% | 0.2% |
| 2000 | 12 | Florida | 12 | Urban Other Arterial | 81.3% | 0.4% | 0.8% | 12.8% | 2.0% | 2.7% |
| 2000 | 13 | Georgia | 12 | Urban Other Arterial | 74.7% | 0.2% | 0.3% | 19.1% | 3.2% | 2.5% |
| 2000 | 15 | Hawaii | 12 | Urban Other Arterial | 85.1% | 0.5% | 0.9% | 10.1% | 2.5% | 0.9% |
| 2000 | 16 | Idaho | 12 | Urban Other Arterial | 58.0% | 0.5% | 0.2% | 34.9% | 3.6% | 2.8% |
| 2000 | 17 | Illinois | 12 | Urban Other Arterial | 93% | 0% | 1% | 0% | 3% | 4% |
| 2000 | 18 | Indiana | 12 | Urban Other Arterial | 74.2% | 0.4% | 0.4% | 17.1% | 3.1% | 4.9% |
| 2000 | 19 | Iowa | 12 | Urban Other Arterial | 89.5% | 0.7% | 0.3% | 0.0% | 4.3% | 5.2% |
| 2000 | 20 | Kansas | 12 | Urban Other Arterial | 73.9% | 0.3% | 0.2% | 22.6% | 1.9% | 1.1% |
| 2000 | 21 | Kentucky | 12 | Urban Other Arterial | 61.0% | 0.2% | 0.4% | 32.5% | 3.2% | 2.7% |
| 2000 | 22 | Louisiana | 12 | Urban Other Arterial | 61.4% | 0.4% | 0.9% | 26.1% | 6.0% | 5.2% |
| 2000 | 23 | Maine | 12 | Urban Other Arterial | 76.1% | 0.5% | 0.4% | 17.5% | 3.2% | 2.3% |
| 2000 | 24 | Maryland | 12 | Urban Other Arterial | 79.3% | 1.2% | 1.1% | 12.7% | 3.5% | 2.2% |
| 2000 | 25 | Massachusetts | 12 | Urban Other Arterial | 81.4% | 0.0% | 0.6% | 12.0% | 2.9% | 3.1% |
| 2000 | 26 | Michigan | 12 | Urban Other Arterial | 75.4% | 0.1% | 0.2% | 18.7% | 2.4% | 3.2% |
| 2000 | 27 | Minnesota | 12 | Urban Other Arterial | 95.6% | 0.0% | 0.2% | 0.0% | 2.4% | 1.8% |
| 2000 | 28 | Mississippi | 12 | Urban Other Arterial | 73.4% | 0.2% | 0.3% | 16.4% | 4.4% | 5.3% |
| 2000 | 29 | Missouri | 12 | Urban Other Arterial | 93.2% | 0.0% | 0.4% | 0.0% | 3.2% | 3.2% |
| 2000 | 30 | Montana | 12 | Urban Other Arterial | 61.7% | 0.1% | 0.4% | 34.0% | 2.6% | 1.2% |
| 2000 | 31 | Nebraska | 12 | Urban Other Arterial | 55.1% | 0.1% | 0.1% | 39.9% | 2.4% | 2.3% |
| 2000 | 32 | Nevada | 12 | Urban Other Arterial | 94.9% | 0.0% | 0.5% | 0.0% | 2.2% | 2.4% |
| 2000 | 33 | New Hampshire | 12 | Urban Other Arterial | 63.6% | 0.6% | 0.9% | 25.9% | 3.8% | 5.2% |
| 2000 | 34 | New Jersey | 12 | Urban Other Arterial | 78.2% | 0.1% | 0.9% | 12.0% | 4.4% | 4.4% |
| 2000 | 35 | New Mexico | 12 | Urban Other Arterial | 62.0% | 0.9% | 1.3% | 20.6% | 7.8% | 7.4% |
| 2000 | 36 | New York | 12 | Urban Other Arterial | 83.9% | 0.2% | 0.9% | 10.9% | 2.9% | 1.2% |
| 2000 | 37 | North Carolina | 12 | Urban Other Arterial | 79.1% | 0.3% | 0.5% | 14.1% | 3.2% | 2.8% |
| 2000 | 38 | North Dakota | 12 | Urban Other Arterial | 59.7% | 0.6% | 0.4% | 25.9% | 6.6% | 6.8% |
| 2000 | 39 | Ohio | 12 | Urban Other Arterial | 77.8% | 0.5% | 0.1% | 15.6% | 1.8% | 4.2% |
| 2000 | 40 | Oklahoma | 12 | Urban Other Arterial | 70.6% | 0.1% | 0.4% | 21.7% | 4.2% | 3.0% |
| 2000 | 41 | Oregon | 12 | Urban Other Arterial | 62.8% | 0.3% | 0.4% | 30.6% | 3.2% | 2.7% |
| 2000 | 42 | Pennsylvania | 12 | Urban Other Arterial | 75.0% | 0.0% | 0.0% | 18.7% | 4.2% | 2.2% |
| 2000 | 44 | Rhode Island | 12 | Urban Other Arterial | 80.3% | 1.1% | 0.2% | 10.6% | 3.7% | 4.1% |
| 2000 | 45 | South Carolina | 12 | Urban Other Arterial | 78.3% | 1.4% | 1.0% | 16.4% | 2.1% | 0.8% |
| 2000 | 46 | South Dakota | 12 | Urban Other Arterial | 69.2% | 0.0% | 0.0% | 23.7% | 1.5% | 5.6% |
| 2000 | 47 | Tennessee | 12 | Urban Other Arterial | 77.7% | 1.9% | 0.2% | 16.2% | 2.0% | 2.0% |
| 2000 | 48 | Texas | 12 | Urban Other Arterial | 73.5% | 0.0% | 0.3% | 18.2% | 4.2% | 3.9% |
| 2000 | 49 | Utah | 12 | Urban Other Arterial | 74.4% | 0.0% | 0.2% | 16.9% | 4.1% | 4.4% |
| 2000 | 50 | Vermont | 12 | Urban Other Arterial | 76.7% | 0.8% | 0.6% | 16.5% | 3.3% | 2.1% |
| 2000 | 51 | Virginia | 12 | Urban Other Arterial | 83.6% | 0.3% | 0.4% | 11.6% | 2.4% | 1.7% |
| 2000 | 54 | West Virginia | 12 | Urban Other Arterial | 81.7% | 0.1% | 0.3% | 12.8% | 5.1% | 0.0% |
| 2000 | 55 | Wisconsin | 12 | Urban Other Arterial | 76.0% | 0.5% | 0.5% | 15.3% | 3.1% | 4.6% |
| 2000 | 56 | Wyoming | 12 | Urban Other Arterial | 60.0% | 0.7% | 0.1% | 35.1% | 1.4% | 2.7% |
| 2000 | 72 | Puerto Rico | 12 | Urban Other Arterial | 86.1% | 0.2% | 0.3% | 9.2% | 3.2% | 1.0% |
| 2000 | 1 | Alabama | 14 | Other Urban | 77.5% | 0.4% | 0.5% | 15.3% | 3.9% | 2.5% |
| 2000 | 2 | Alaska | 14 | Other Urban | 57.7% | 0.5% | 1.1% | 32.0% | 8.7% | 0.0% |
| 2000 | 4 | Arizona | 14 | Other Urban | 66.3% | 0.5% | 0.3% | 27.5% | 3.0% | 2.4% |
| 2000 | 5 | Arkansas | 14 | Other Urban | 79.1% | 0.1% | 0.2% | 15.0% | 2.7% | 2.9% |
| 2000 | 6 | California | 14 | Other Urban | 82.9% | 0.4% | 1.0% | 11.4% | 2.4% | 1.9% |
| 2000 | 8 | Colorado | 14 | Other Urban | 96.8% | 0.0% | 1.0% | 0.0% | 1.6% | 0.6% |
| 2000 | 9 | Connecticut | 14 | Other Urban | 84.4% | 0.1% | 0.1% | 12.4% | 2.3% | 0.7% |
| 2000 | 10 | Delaware | 14 | Other Urban | 72.1% | 0.1% | 1.2% | 19.7% | 5.8% | 1.1% |
| 2000 | 11 | District of Columbia | 14 | Other Urban | 95.0% | 0.5% | 0.6% | 1.2% | 2.6% | 0.1% |
| 2000 | 12 | Florida | 14 | Other Urban | 81.3% | 0.4% | 0.9% | 14.5% | 2.0% | 0.9% |
| 2000 | 13 | Georgia | 14 | Other Urban | 75.6% | 0.3% | 0.4% | 19.9% | 3.1% | 0.8% |
| 2000 | 15 | Hawaii | 14 | Other Urban | 91.3% | 0.3% | 0.3% | 6.7% | 1.3% | 0.2% |
| 2000 | 16 | Idaho | 14 | Other Urban | 59.1% | 1.3% | 0.3% | 34.5% | 3.0% | 1.9% |
| 2000 | 17 | Illinois | 14 | Other Urban | 95% | 0% | 0% | 0% | 3% | 2% |
| 2000 | 18 | Indiana | 14 | Other Urban | 77.9% | 0.3% | 0.3% | 15.4% | 2.9% | 3.1% |
| 2000 | 19 | Iowa | 14 | Other Urban | 97.1% | 0.6% | 0.4% | 0.0% | 1.5% | 0.4% |
| 2000 | 20 | Kansas | 14 | Other Urban | 67.6% | 0.4% | 0.2% | 27.8% | 2.5% | 1.5% |
| 2000 | 21 | Kentucky | 14 | Other Urban | 61.1% | 0.5% | 0.9% | 28.8% | 5.0% | 3.7% |
| 2000 | 22 | Louisiana | 14 | Other Urban | 62.2% | 0.4% | 0.9% | 27.0% | 5.6% | 3.9% |
| 2000 | 23 | Maine | 14 | Other Urban | 73.5% | 0.7% | 1.1% | 20.0% | 3.2% | 1.5% |
| 2000 | 24 | Maryland | 14 | Other Urban | 76.4% | 2.2% | 1.8% | 14.3% | 3.7% | 1.6% |
| 2000 | 25 | Massachusetts | 14 | Other Urban | 86.1% | 0.0% | 0.9% | 10.4% | 2.1% | 0.5% |
| 2000 | 26 | Michigan | 14 | Other Urban | 73.4% | 0.3% | 1.2% | 21.0% | 3.4% | 0.7% |
| 2000 | 27 | Minnesota | 14 | Other Urban | 98.1% | 0.0% | 0.4% | 0.0% | 1.3% | 0.2% |
| 2000 | 28 | Mississippi | 14 | Other Urban | 74.4% | 0.3% | 0.3% | 19.8% | 4.1% | 1.1% |
| 2000 | 29 | Missouri | 14 | Other Urban | 94.9% | 0.0% | 0.7% | 0.0% | 2.3% | 2.1% |
| 2000 | 30 | Montana | 14 | Other Urban | 75.6% | 0.2% | 0.8% | 23.0% | 0.3% | 0.1% |
| 2000 | 31 | Nebraska | 14 | Other Urban | 61.1% | 0.2% | 0.4% | 35.1% | 2.2% | 1.1% |
| 2000 | 32 | Nevada | 14 | Other Urban | 97.4% | 0.0% | 0.5% | 0.0% | 1.8% | 0.3% |
| 2000 | 33 | New Hampshire | 14 | Other Urban | 77.1% | 2.1% | 0.9% | 14.8% | 2.6% | 2.5% |
| 2000 | 34 | New Jersey | 14 | Other Urban | 81.3% | 0.5% | 1.1% | 10.9% | 3.5% | 2.7% |
| 2000 | 35 | New Mexico | 14 | Other Urban | 66.8% | 0.9% | 4.0% | 19.0% | 6.4% | 2.9% |
| 2000 | 36 | New York | 14 | Other Urban | 82.4% | 0.1% | 0.5% | 13.9% | 2.1% | 1.0% |
| 2000 | 37 | North Carolina | 14 | Other Urban | 81.0% | 0.5% | 0.5% | 13.9% | 3.1% | 1.0% |
| 2000 | 38 | North Dakota | 14 | Other Urban | 55.1% | 0.1% | 0.4% | 31.0% | 7.2% | 6.2% |
| 2000 | 39 | Ohio | 14 | Other Urban | 81.8% | 0.5% | 0.0% | 15.0% | 1.2% | 1.5% |
| 2000 | 40 | Oklahoma | 14 | Other Urban | 74.9% | 0.2% | 0.2% | 21.2% | 2.5% | 1.0% |
| 2000 | 41 | Oregon | 14 | Other Urban | 67.8% | 0.5% | 0.6% | 27.4% | 1.9% | 1.7% |
| 2000 | 42 | Pennsylvania | 14 | Other Urban | 76.1% | 0.0% | 0.0% | 18.5% | 4.6% | 0.8% |
| 2000 | 44 | Rhode Island | 14 | Other Urban | 82.1% | 0.7% | 0.5% | 12.8% | 2.0% | 1.9% |
| 2000 | 45 | South Carolina | 14 | Other Urban | 82.8% | 2.7% | 1.6% | 9.8% | 1.8% | 1.3% |
| 2000 | 46 | South Dakota | 14 | Other Urban | 80.0% | 0.0% | 0.0% | 17.5% | 0.8% | 1.7% |
| 2000 | 47 | Tennessee | 14 | Other Urban | 77.0% | 2.9% | 0.2% | 17.0% | 1.5% | 1.4% |
| 2000 | 48 | Texas | 14 | Other Urban | 64.8% | 0.0% | 0.4% | 27.1% | 6.2% | 1.6% |
| 2000 | 49 | Utah | 14 | Other Urban | 87.8% | 0.0% | 0.1% | 12.0% | 0.1% | 0.0% |
| 2000 | 50 | Vermont | 14 | Other Urban | 76.3% | 0.9% | 0.5% | 17.5% | 3.2% | 1.6% |
| 2000 | 51 | Virginia | 14 | Other Urban | 82.8% | 0.3% | 0.6% | 12.6% | 2.6% | 1.0% |
| 2000 | 54 | West Virginia | 14 | Other Urban | 75.4% | 0.2% | 1.2% | 20.8% | 2.4% | 0.0% |
| 2000 | 55 | Wisconsin | 14 | Other Urban | 76.1% | 0.8% | 0.2% | 17.4% | 2.2% | 3.3% |
| 2000 | 56 | Wyoming | 14 | Other Urban | 55.2% | 0.1% | 0.2% | 37.7% | 3.8% | 3.0% |
| 2000 | 72 | Puerto Rico | 14 | Other Urban | 82.8% | 0.2% | 0.5% | 12.1% | 4.0% | 0.5% |