Riding the three-car train, which shuttles between the U.S. Capitol and two Senate office buildings, has become a gamble for ...

The subway is restricted to Congressional members during votes. The entire track is 3,100 feet. The trains run at 14 MPH. Each ride takes less than a minute.

Capitol subway operator: Me: So, when are you gonna let me… Sen. Mark Kelly (D-Ariz.) had a bit of Friday morning fun, joking about piloting the congressional subway that runs through the Capitol.

Congressional leaders said Friday that an electrical malfunction that filled a Metro tunnel with smoke last month, killing one person and injuring dozens, should be a wakeup call for the D.C.-area ...