Escort requirements, travel restrictions, and signage rules for oversize/overweight loads in New Hampshire.
| Min Width | Max Width | Escorts | Position | Notes |
|---|---|---|---|---|
| 8'7" | 11'11" | 0 | — | Permit required, no escort |
| 12'0" | 14'11" | 1 | Rear | 1 rear escort on divided highway |
| 15'0" | 17'11" | 1 Police | Rear | 1 escort + 1 NH State Police escort (48hr notice) |
| 18'0" | 20'0" | 1 Police | Rear | 1 escort + 2 NH State Police escorts |
| Min Height | Max Height | Escorts | Position | Notes |
|---|---|---|---|---|
| 13'7" | 14'0" | 0 | — |
Route survey required over 13'6"
Route survey required |
| 14'1" | 20'0" | 1 | Front |
1 high-pole escort + utility coordination
Height pole required |
| Min Length | Max Length | Escorts | Position | Notes |
|---|---|---|---|---|
| 53'1" | 79'11" | 0 | — | Permit required, no escort |
| 80'0" | 99'11" | 1 | Rear | 1 escort required |
| 100'0" | 200'0" | 1 Police | Rear | 1 escort + NH State Police (48hr notice) unless safety not compromised |
| Min Overhang | Max Overhang | Escorts | Position | Notes |
|---|---|---|---|---|
| 15'0" | 30'0" | 1 | Rear | 1 escort at 15'+ overhang; combined with width 12'+ on 2-lane undivided = 2 escorts |
| Min Width | Max Width | Escorts | Position | Notes |
|---|---|---|---|---|
| 8'7" | 11'11" | 0 | — | Permit required |
| 12'0" | 14'11" | 1 | Front | 1 front escort on undivided 2-lane |
| 15'0" | 17'11" | 1 Police | Front | 1 escort + 1 NH State Police escort (48hr notice) |
| 18'0" | 20'0" | 1 Police | Front | 1 escort + 2 NH State Police escorts |
| Min Height | Max Height | Escorts | Position | Notes |
|---|---|---|---|---|
| 13'7" | 14'0" | 0 | — |
Route survey required over 13'6"
Route survey required |
| 14'1" | 20'0" | 1 | Front |
1 high-pole escort + utility coordination
Height pole required |
| Min Length | Max Length | Escorts | Position | Notes |
|---|---|---|---|---|
| 48'1" | 79'11" | 0 | — | Permit required, no escort |
| 80'0" | 99'11" | 1 | Rear | 1 escort required |
| 100'0" | 200'0" | 1 Police | Rear | 1 escort + NH State Police (48hr notice) unless safety not compromised |
| Min Overhang | Max Overhang | Escorts | Position | Notes |
|---|---|---|---|---|
| 15'0" | 30'0" | 1 | Rear | 1 escort at 15'+ overhang; combined with width 12'+ on 2-lane undivided = 2 escorts |