Maryland votes on its eight congressional seats, with the race in Maryland's 6th District poised to be one of the most compelling of the night.
The state will also elect a governorto replace outgoing GOP moderate Larry Hogan, and Sen. Chris Van Hollen will face the voters in a re-election bid.
The state will also vote on Question 4, which would legalize recreational marijuana use in the state.
Polls close in the state at 8 p.m. Eastern Standard Time.