Travelers in Maine and 8 other states will need passports to fly effective January 22

Forbes - Nine states will no longer allow travelers to board an airplane with just their state issued driver’s licenses as of January 22, 2018. To get past TSA security checkpoints, another form of identification will be required: passport, permanent resident card/green card or a military ID.

The Real ID Act of 2005 states that state-issued IDs from these nine states do not meet the minimum security standards of the federal government:

Kentucky, Maine, Minnesota, Missouri, Montana, Oklahoma, Pennsylvania, South Carolina, Washington