Working on the Railroad

Sharon Carlquist's is a conductor for Metro-North Railroad, a passenger line used daily by thousands of commuters in New York and Connecticut. She works four hours in the morning and than has four hours off. She might go to a park, see a movie, read,nap, or do whatever strikers her fancy. Then she puts her final hours before heading home.
Carlquist was conducting a southbound train headed to New York City on the morning of Sept. 11, 2001.