|
|
|
| ||||||
|
Index |
(Millions ) |
(Millions ) |
(Millions ) |
(Millions ) |
(Millions ) |
(Millions ) |
|
CO | ||||||
|
Index |
(Millions ) |
(Millions ) |
(Millions ) |
(Millions ) |
(Millions ) |
(Millions ) |
|
CO | ||||||
|
Index |
(Millions ) |
(Millions ) |
(Millions ) |
|
|
|
|
CO |
|
|
| |||
Source: State Transportation Analysis Tables. Bureau of Transportation Statistics.