Mon-Fri 8AM - 5PM (Mountain time)
| When escorts are needed | # of escorts |
| On interstate | |
| – Width over 16’6″ | 1 escort (Rear) |
| – Length over 120′ | 1 escort (Rear) |
| On 2-lane roads | |
| – Width over 12’6″ up to 16’6″ | 1 escort (Front) |
| – Width over 16’6″ | 2 escorts (Front and Rear) |
| – Length over 110′ | 1 escort (Rear) |