Tennessee State Regulations
Transportation Restrictions
Travel restricted during the following holidays: New Year’s Day, Good Friday, Memorial Day, Independence Day, Labor Day, Thanksgiving, and Christmas.
Movement restricted when weather conditions make movement unsafe.
However, because of traffic, movements 85’ or greater in length and movements in excess of 12’6” in width will not be allowed within any city limits or any heavily traveled adjoining commercial or residential area between the hours of 7:00 AM to 9:00 AM and 4:00 PM to 6:00 PM (local time) Monday through Friday.
The following holidays are restricted: New Year’s Day, Good Friday, Memorial Day, Independence Day, Labor Day, Thanksgiving Day, and Christmas.
Operating Time
Weekend Travel
Holiday Travel
| Date | Status | Restrictions |
|---|---|---|
| 3/30 | CLOSED | No Travel on 3/30 |
Transportation Requirements
Superloads
Any transports exceeding the routine issued dimensions require special approval from the DOT.
Oversize Load Signs
“Oversize Load” signs required for any load over 10’ wide and for any overlength load.
Flags/Lights
18” Red Flags required at the widest point of any oversize load.
Blades
Bulldozer blades or loads with protruding sharp objects shall be loaded with the blade or
protruding sharp object to the rear of the hauling equipment when the blade exceeds 10’6” in
width. No permits will be issued for blades or protruding sharp objects creating width in excess
of 13’6″.
Legal Limits
| Component | Restriction |
|---|---|
| Single Axle | 23,000 lbs. |
| Tandem Group | 46,000 lbs. |
| Tri | 60,000 lbs. |
| Tridem Group | 42,000 lbs. |
| Gross Weight | 80,000 lbs. |
| Width | 8’6″ |
| Height | 13’6″ |
| Length – Single Unit | 40′ |
| Length – Semi-Trailer | 53′ |
| Length | 65′, 75’ Transporting logs or pipes |
| Overhang | 3’ Front | 4’ Rear |
Routine Issues
| Component | Restriction |
|---|---|
| Single Axle | 20,000 lbs. |
| Tandem Group | 40,000 lbs. |
| Gross Weight | 150,000 lbs. |
| Width | 16′ |
| Height | 15′ |
| Length | 120′ |
Escort Requirements
| Dimension | Requirement |
|---|---|
| Width Over 10’ | 1 Front On Roads Less Than 24’ Wide |
| Width Over 12’6” | 1 Front On 2-Lane Highways | 1 Rear On 4-Lane Highways |
| Width Over 13’6” | 2 (Front & Rear) |
| Height Over 15’* | 1 Front w/ Height Pole |
| Length 85’-120’ | 1 Rear |
| Length Over 120’ | 2 (Front & Rear) |
*Route survey required