Eight states are holding primaries Tuesday. The poll closing times are listed in the table below, along with the number of congressional districts in the state - all are up for election in November - and whether there is a Senate and/or gubernatorial election in 2018.

¹ All times Eastern

² Percentage must be exceeded to avoid runoff; date of runoff election

³ In addition to the regularly scheduled race, a special election will be held to fill the remainder of Thad Cochran's term. Voters will not choose nominees for this race on Tuesday. Instead, all candidates will appear on a single ballot on Election Day. If nobody earns a majority, a runoff will be November 27

4 Polls close at 7:00 PM local time