A1 | (Boxcar) Sliding Door, Less than 9 Ft. |
A2 | (Boxcar) Sliding Door, Equal to 9 Ft. or Less than 11 Ft. |
A3 | (Boxcar) Sliding Door, Equal to or Greater than 11 Ft. |
A4 | (Boxcar) Plug Door Less than 9 Ft. |
A5 | (Boxcar) Plug Door Equal to 9 Ft. or Less than 11 Ft. |
A6 | (Boxcar) Plug Door Equal to 11 Ft. or Over 11 Ft. |
A7 | (Boxcar) Sliding and Plug |
AO | (Boxcar) Any Other Type Door |
B1 | (Unequipped Boxcar) Door Less than 8 Ft. |
B2 | (Unequipped Boxcar) Door Equal to 8 Ft. and Less than 9 Ft. |
B3 | (Unequipped Boxcar) Door Equal to 9 Ft. and Less than 10 Ft. |
B4 | (Unequipped Boxcar) Door Equal to 10 Ft. and Less than 11 Ft. |
B5 | (Unequipped Boxcar) Door Equal to 11 Ft. and Less than 13 Ft. |
B6 | (Unequipped Boxcar) Door Equal to 13 Ft. and Less than 15 Ft. |
B7 | (Unequipped Boxcar) Door Equal to 1 Square Foot and Greater |
BO | (Unequipped Boxcar) Door Any Other Door Type |