Crowds are expected to descend on Washington for President-elect Donald Trump’s inauguration on Monday.

Country singer Carrie Underwood is set to perform shortly before Trump is sworn in around noon. Then comes the presidential parade and several inaugural balls in the evening. Plus, there’s a rally at Capital One Arena on Sunday.

If you are planning to travel to the nation’s capital from the Baltimore area, here’s what you should keep in mind.

MARC trains will operate regularly

Trains are usually on a reduced service schedule on Martin Luther King Jr. Day, but because of the inauguration, they will operate as a full weekday.

Here’s how long the trains will operate on Monday, according to transportation officials:

• Penn Line: The first train to Washington leaves Penn Station at 4:55 a.m. The last train to Baltimore leaves from Union Station in D.C. at 10:55 p.m.
• Camden Line: The first train to Washington leaves the Camden station at 5 a.m. The last train to Baltimore from Union Station in D.C. leaves at 8:55 p.m.
• Brunswick Line: The first train to Washington leaves from Brunswick at 4:50 a.m. The last train from Union Station in D.C. leaves at 7:25 p.m.

If you are trying to catch events on Saturday or Sunday and want to take the train, the Penn Line is the only service operating this weekend. Bikes and scooters, including folding ones, will not be permitted on MARC trains from Saturday to Monday.

A one-way ticket from Baltimore to Washington costs $9, according to the CharmPass app.

Metro will be busy

While taking the Metro may be the best option, riders should expect long lines and full trains, according to the Washington Metropolitan Area Transit Authority website. Intermittent delays due to large crowds are also likely as inaugurations are “typically high ridership events.”

Metrorail will start early at 4 a.m. on Monday to accommodate crowds, according to WMATA. Trains will also run more frequently between 6 a.m. and 8 p.m., with Red Line trains arriving every 4 minutes and all other train lines arriving every 8 minutes.

All MARC trains from Baltimore stop at Union Station, which is on the Red Line.

Several Metro stations will be closed between Sunday at 8 p.m. until Tuesday at 5 a.m. They include:

• McPherson Square (Blue, Orange, Silver lines)
• Federal Triangle (Blue, Orange, Silver lines)
• Smithsonian (Blue, Orange, Silver lines)
• Mt. Vernon Sq.-Convention Center (Green, Yellow lines)
• Archives-Navy Memorial (Green, Yellow lines)

The Pentagon station will be closed on Monday (Blue, Yellow lines). WMATA also advised riders to expect crowds at several stations, including L’Enfant Plaza, Gallery Place, Metro Center, Dupont Circle, Foggy Bottom, Pentagon City, Crystal City and Rosslyn.

A regular fare costs up to $4.50, according to the WMATA, and a one-day unlimited pass is $13.50.

There will also be a commemorative SmarTrip card for the inauguration in select stations, including Metro Center, the Ronald Reagan Washington National Airport, the Washington Dulles International Airport and Union Station.

Affected roads in the district

Roads across Washington will shut down for the inauguration and parade on Monday. At least 126 will be fully closed, according to Mayor Muriel Bowser’s office, and dozens of streets will be open only for local traffic.

Many of the road closures will be centered in downtown and around the National Mall, though some highways and exits will be affected, including parts of Interstate 695 and Interstate 395.

Anyone who plans to drive into Washington this weekend should check the closure map and be prepared for traffic and detours.

Instead of driving, people should ride the Metro, bike or walk, according to a tourism organization.

Buses are also an option. WMATA buses will operate on a Saturday supplemental schedule for the inauguration, which offers more bus routes than a regular weekend schedule but fewer compared to weekdays.