Vehicle Size Limitations and Tunnel Restrictions(Click here to view Tunnel Restrictions section at bottom of page)
Vehicle Size Limitations
Ensuring the safety of tunnel users is the top priority. To that end, the size of vehicles that can pass through the tunnel will be limited.
Under normal operations, the following are the maximum dimensions of vehicles allowed to use the tunnel:
- Maximum of 10.0 feet wide (excluding mirrors)
- Maximum of 14.0 feet high
- Maximum of 75.0 feet long
PLEASE NOTE - per the Commissioner's best interest finding the length limitations have been increased from 75 to 80 feet. This has not been changed in regulation, but will be changed the next time the regulations are updated.
Maximum dimensions of vehicles allowed under normal operations
Larger vehicles will be allowed to use the tunnel during special openings scheduled three to four times a week. The hours of special operations will be updated periodically and will be shown on the page of this web site. These hours will change seasonally to best serve the requirements of the traveling public. According to the regulations, the following are the dimensions of vehicles allowed to use the tunnel during special operations:
- Greater than 10.0 feet and not to exceed 11.0 feet wide (excluding mirrors)
- Greater than 14.0 feet and not to exceed 15.0 feet high
- Maximum of 75.0 feet long
PLEASE NOTE THAT OVERWEIGHT VEHICLES WILL NOT BE PERMITTED IN THE TUNNEL. CONTACT THE ALASKA RAILROAD TO MAKE TRANSPORTATION ARRANGEMENTS.
Maximum dimensions of vehicles allowed under special operations
Contact the Alaska Railroad at 265-2495 to make arrangements for transporting an oversized vehicle on the train. See the Tunnel Regulations page for a copy of the complete proposed regulations.
Dangerous and objectionable materials will not be allowed through the Anton Anderson Memorial Tunnel. This material will not be allowed to ensure the safety and the comfort of the traveling public. Hazardous materials that are required by federal law to display a placard (hazardous material sign) will not be allowed through the tunnel except by railroad. Contact the Alaska Railroad at 265-2495 to make arrangements for transporting hazardous materials on the train.
Other materials have the following limits:
- No more than a total of 12 gallons of gasoline in a UL (Underwriters Laboratory) listed portable container (no combination of containers added together can total more than 12 gallons).
- Propane must be stored in containers designed for the transport of propane and cannot exceed a total combined capacity of 100 pounds.
- Acetylene must be stored in a single container designed for the transport of acetylene with a maximum combined capacity of 400 cubic feet.
- Materials that, by Federal Law, do not require placarding in quantities less than 1001 pounds are restricted to 400 pounds in the tunnel.
Tunnel operators may prohibit any load that they do not deem to be safe or tied down securely. They may also prohibit any load that is incompatible with the operation of the tunnel.
For a copy of the regulations, see the Tunnel Regulations page, or access the down load available on the home page of this web site.
PLEASE NOTE: Convertible vehicles must have their tops up for driving through the tunnel.