Your brief introduction to Election Day – and Election Night – in Massachusetts

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It's election day. Massachusetts officials are expecting record turnout in what is already a historic presidential race. More than 1.7 million Bay Staters have cast early ballots, and Secretary of State Bill Galvin says he expects the eventual turnout to top 3.7 million. (The current record is 3,657,972.)

Whether you've already cast your vote or not, here's what you should know about Election Day and Election Night:

Where, when and how: Polling stations nationwide are open until 8 p.m. You can find your personal polling station by entering your address here. (Remember: If you wait in line by 8 p.m., you have the right to vote.)

• Do I have to bring ID with me? Probably not. There is no voter ID requirement in Massachusetts. However, there are situations where you may be required to provide ID, such as if this is your first time voting in that state. Read more about voting on Election Day here.
• Would you like to double-check whether your mail-in ballot was accepted? Use the state's Track My Ballot tool. If you are not sure whether your vote will be cast on time, you can vote in person at your polling station. (Election officials will reject your mail-in ballot if it arrives after you vote in person.)
• Fun fact: While most polling places in Massachusetts open at 7 a.m., cities and towns are allowed to open them earlier. For example, Franklin and Medfield both open their doors to voters at 6 a.m

On the ballot: It's not just the presidential race. (But you can read NPR's latest coverage of how Vice President Kamala Harris and Donald Trump ended their campaigns here.) Massachusetts has consistently contested races on the ballot, including Sen. Elizabeth Warren's bid for a third term against the Republican Challenger John Deaton. Several members of the state's all-Democratic House delegation also have opponents.

After the polls close: It may take some time until all national results are available. But in Massachusetts, WBUR's Walter Wuthmann reports, the presidential and U.S. Senate races could be called fairly quickly. (WBUR will offer special live coverage and sophisticated local and national race results dashboards on wbur.org starting at 7 p.m.)

In the meantime: The MBTA is celebrating Election Day with a new Red Line diversion. Shuttle buses will replace train service between Broadway and North Quincy for track work today through Sunday. The closure will also be extended to the Red Line's Ashmont branch this weekend.

Up north: New Hampshire's Dixville Notch has already counted the votes in its traditional midnight election – resulting in a 3-3 tie between Harris and Trump. (Perhaps a fitting start to Election Day in a race that polls show is deadlocked throughout.)

PS: Do you have an Election Day tradition or superstition? Massachusetts leaders do. Gov. Maura Healey, Attorney General Andrea Campbell, Deaton and others shared their customs with WBUR's Amy Sokolow. Reply to this email to share your Election Day ritual. We can then add it to our story or share it on social media.