The line runs from the Ogilvie Transportation Center in downtown Chicago to endpoints in McHenry, Illinois and Harvard, Illinois, with the McHenry branch served only during weekday rush periods.
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As of April 2013, the public timetable indicated 33 trains leaving Chicago each weekday, with 11 terminating at Harvard, 14 at Crystal Lake, and three at McHenry.
Soviet Union | European Union | Union Army | Pacific Ocean | rugby union | Pacific | Union | Canadian Pacific Railway | Pacific War | International Telecommunication Union | trade union | Union (American Civil War) | South Pacific | Union Pacific Railroad | England national rugby union team | American Civil Liberties Union | Pacific Islands | Wales national rugby union team | New Zealand national rugby union team | Northwest Territories | Pacific Northwest | Northern Pacific Railway | Ireland national rugby union team | East Coast Main Line | Western Union | West Coast Main Line | Scotland national rugby union team | Northwest Airlines | International Astronomical Union | Georgia national rugby union team |