What are the operating hours for the Anton Anderson Memorial Tunnel?

The Anton Anderson Memorial Tunnel operates on a limited schedule, open only during specific hours for vehicles. It typically runs 2-3 two-way shuttles per day, with morning and afternoon departures from both Whittier and Portage. Exact times vary seasonally - check the official Alaska DOT website for the current shuttle schedule before travel.

Do I need to reserve a spot to drive through the Anton Anderson Memorial Tunnel?

Yes, reservations are required for non-commercial vehicles traveling through the tunnel. You must book a timed shuttle slot in advance through the Alaska DOT’s official tunnel reservation system, especially between May and September when demand is high. Walk-up availability is extremely limited.

Can pedestrians or cyclists use the Anton Anderson Memorial Tunnel?

Yes, pedestrians and cyclists can access the tunnel during designated open periods, usually outside of vehicle shuttle times. Access is free but strictly scheduled for safety. Check the Alaska DOT’s public use calendar for walk and bike windows, which vary seasonally. Helmets and reflective gear are strongly recommended.

Is the Anton Anderson Memorial Tunnel the longest highway tunnel in North America?

Yes, at 2.5 miles (13,300 feet) long, the Anton Anderson Memorial Tunnel is the longest highway tunnel in North America. It connects Portage via the Seward Highway to Whittier, a critical but narrow passage requiring controlled, one-way traffic under strict operational protocols.

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Best Anton Anderson Memorial Tunnel Tours in September

Linking the small community of Whittier to the wider road system, the Anton Anderson Memorial Tunnel is a remarkable feat of engineering and the longest highway tunnel in North America at 2.5 miles. Originally constructed during World War II for military access, it now serves as a vital connector to Whittier’s deep-water port and stunning backcountry access. Unique in its design, the tunnel operates as a single bore with bidirectional traffic managed by a timed signal system, ensuring safe passage through the rugged terrain of the Chugach Mountains. Travelers journeying through it are en route to breathtaking landscapes near Prince William Sound, where glaciers, wildlife, and kayaking adventures await. The tunnel’s seasonal accessibility and dramatic mountain surroundings make it not just a transit route, but a memorable part of any Southcentral Alaska trip.

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