Legal size limits without a permit
| Measurement | Indiana legal limit |
|---|---|
| Height | 13'6" |
| Width | 8'6" |
| Front Overhang | Confirmed at filing |
| Rear Overhang | Confirmed at filing |
Axle and gross weights
How much each axle group and the whole vehicle can carry in Indiana, without a permit and with an overweight permit.
| Axle group | Legal limit | With a permit |
|---|---|---|
| Steer axle | Confirmed at filing | Confirmed at filing |
| Single axle | 20,000 lbs | UNCONFIRMED exact ceiling beyond legal maximum |
| Tandem axle | 34,000 lbs | UNCONFIRMED exact ceiling |
| Tridem axle | 50,000 lbs | Confirmed at filing |
| Quad axle | Confirmed at filing | Confirmed at filing |
| Gross weight | 80,000 lbs | Overweight Commodity Permit up to 120,000 lbs; Bulk Milk Permit up to 154,000 lbs |
Superload: GVW over 108,000 lbs, OR width over 17', OR height over 15', OR length over 110' (Indiana State Police definition)
Permit types we file in Indiana
Single-Trip PermitOne-time move authorization for a defined route.
Annual PermitYear-round authorization tied to a specific vehicle.
Overweight Commodity PermitSpecial-use permit for divisible bulk commodities (up to 120,000 lbs).
Maximum dimensions with a permit
| Dimension | Maximum with a permit |
|---|---|
| Length | 110 ft (superload trigger) |
| Width | 17 ft (superload trigger); escort required starting at 12'4" |
| Height | 15 ft (superload trigger); escort required starting at 14'6" |
| Rear Overhang | Confirmed at filing |
Indiana State Police define a Superload as any load over 108,000 lbs, 17' wide, 15' high, or 110' long.
Escorts and travel restrictions
Escort & pilot car rules
- Escort required starting at 12'4" width, 110' length, or 14'6" height.
- One escort vehicle positioned in front on undivided highways, in rear on divided highways.
- Additional/police escorts required for Superloads (over 17' wide, 15' high, 110' long, or 108,000 lbs).
When you can travel
- Standard oversize travel window for the largest loads: Monday-Friday, 8:30am-3:30pm.
- Loads under 200,000 lbs may receive continuous (7-day) travel privileges.
- Superload/escort movements generally restricted to weekday daylight windows.
Signs, flags and lights
Most states require
- An “OVERSIZE LOAD” banner on the front of the truck and the rear of the load.
- Red or fluorescent orange warning flags at each corner and at the widest points of the load.
- Amber warning lights or clearance lights when moving at night, where night travel is allowed.
Indiana specifics
- Banner size, flag size and light rules for Indiana are listed on your permit.
- We include them in your permit notes so your driver has them before the trip.
Rules change. Limits and requirements are set by INDOT and can change. We confirm the current rules for your exact load before filing.