Nate Bennett-Fleming speaks to Congresswoman Eleanor Norton. (Astrid Riecken/The Post)

Voters head to the polls in D.C. and Maryland’s primary elections.This election day, there are tight contests in both jurisdictions.

Haven’t made up your mind on a particular race? Not sure where your polling place is? The Post has primary guides for D.C. and Maryland that may answer your questions.

A Reston citizens’ group predicts toll-related gridlock on streets surrounding the Dulles Toll Road in coming years. The group says thousands of drivers will divert from the highway to avoid the $4.50 toll being levied to pay for Metro’s new Silver Line.

Coming up on PostLocal:

Primary Election Coverage: Post reporters will be tweeting, blogging and interviewing voters at the polls throughout the day. The Post will also have live results this evening as the votes get counted.

Need a break from your day (and the primary election coverage)? Chat live at noon with The Post’s Gene Weingarten, who will answer your questions and dish out a dollop of humor.