Here's what you need to know as you head out to the polls Tuesday:

In Missouri

When:

• All polling places in the state open at 6 a.m. and close at 7 p.m.

• If you are in line at closing time, you'll be allowed to cast your ballot.

  How:

• You do not need a photo ID to vote in Missouri but may be asked for identification.

• Acceptable voter ID in Missouri: A driver's license; an election board-issued voter ID card; a passport; ID from a Missouri-based institution of higher education; a current utility bill, bank statement, paycheck, government check or government document with name and address of the voter.

For more information, go toGoVoteMissouri.com.

In Kansas

When:

Most polling places open at 7 a.m. and close at 7 p.m.

• Johnson County polling places open at 6 a.m. and close at 7 p.m.

  How:

• A photo ID is required to cast a ballot in Kansas.

• Acceptable: Any document issued by a city, county, state, or federal government agency that includes the first and last name and a photo of the voter, including a driver's license, non-driver ID card, student ID card from public high school or any college; city library card; city-issued pool pass; a U.S. passport; a concealed-carry license.

• Voters over age 65 can use an expired photo ID. Voters who express religious opposition to the photo requirement are exempt. You can obtain a non-driver ID document at Kansas DMV offices Tuesday (most are closed on Monday.) You must provide proof of identity and proof of residence.

• For more information, go toGotVoterID.com.