Alaska
State Details
See Wikipedia; also see United States for information relating to the country as a whole, and the national operator Amtrak.
Maps
Alaska is covered by the SPV "North America Railroad Atlas" volume Pacific Northwest.
Rail Operators
There is no Amtrak service in Alaska.
Alaska Railroad
The Alaska Railroad has a single main line, from Seward northwards via Anchorage to Fairbanks, and a short branch to Whittier. The passenger service is largely oriented to tourism, with most trains running only during the summer (May - September). Alaska Railroad map page here. Timetables are available at schedules page, click on lines for individual services. There are no schedules in PDF format. All lines are standard gauge, non-electrified.
Tourist Lines
White Pass & Yukon
The White Pass & Yukon Route Railroad is an international line between Skagway (Alaska) and Carcross (Yukon Territory, Canada), now operated largely for tourists. The gauge is 3'0" (914mm) and the line is non-electrified.
Metro and light rail systems
None
Obscure or Sparse Passenger Services
See USA - Lines with Obscure or Sparse passenger services - Alaska.