Q: Can you explain the Whittier tunnel? I see that it’s open only a certain times?
A: The Whittier Tunnel is a one way tunnel between Bear Valley and the town of Whittier. Bear Valley is accessed from the Portage Glacier Highway off of the Seward Highway. This tunnels is shared with the Alaska Railroad and is the longest combined vehicle-railroad tunnel in North America. It takes about 6 minutes to go through the tunnel. Standard vehicles cost $12 one way to travel the tunnel.
During the summer the tunnel opeartes from 5:30am to 11:15pm. Travel to Whittier from Bear Valley is available on the half hour (5:30am, 6:30am, etc.). When you depart Whittier you leave on the hour. The first departure from Whittier is 6:00am, then 7:00am, 8:00am and so on. A complete schedule is available through this link.