- Identifies highway Groups 1, 2 and 3.
- Indicates legal length limits for various legal size vehicles and combinations hauling legal size Loads.
- No permit required.
- Used to determine pilots for overwidth movement on highway Groups 2 and 3 (by permit).
- Use for determining pilot vehicles required for Overwidth loads.
- Displays Certified Flagger/Rolling Stop structures.
- Overwidth operations by permit only.
- Use to denote annual routes for unladen heavy haul combinations with jeep and/or booster axle(s).
- Authorized routes for loads non-divisible in height over 14 feet 00 inches up to a maximum of 14 feet 06 inches in height.
- Displays annual Triples routes and authorized days of operation.
- Operations by permit only.
- Special qualifications apply to obtain this permit.
- Displays authorized annual routes (up to 14 feet 00 inches wide) for mobile/modular Units.
- Operations by permit only.
- Displays length requirements for truck-tractor/semitrailer and doubles combinations.
- No permit required unless exceeding displayed limitations. Permits may be available for truck-tractor/semitrailer combinations to exceed limitations if the length of the trailer is required to support the load or distribute the weight of the load.
- Displays authorized annual routes for overwidth (up to 14 feet 00 inches wide) for non-divisible loads. Maximum heavy-haul weight allowed is 98,000 pounds gross weight and the tire, axle, and group axle weights shown in Weight Table 3.
- Operations by permit only.