Things to know if you are a Commercial Vehicle traveling the CBBT
- To view Hazmat Regulations as it pertains to vehicles crossing the CBBT, click here.
- For compressed gas regulations, click here.
- Maximum vehicle height is 13′-6″.
- Maximum vehicle width is 14′.
- Minimum safe speed is 45 mph.
- Maximum safe speed is 55 mph.
- All vehicles are subject to inspection.
Special Over-Dimensional Vehicles:
- An escort is required for all special over-dimension vehicles, i.e. vehicles unable to maintain 45 mph, exceeding 84,000, 100′ in length or 8′-6″ in width.
- Prior approval is required for all over-dimensional vehicles requiring an escort. Please call 757.331.2960 in advance to schedule the crossing. 24-hour notice is requested.
- No escorts are run on weekends or holidays.