MARTA will continue to operate on a modified schedule Friday because of winter weather, the agency announced.

The state’s Xpress bus service, CobbLinc and Gwinnett County Transit will resume normal operations Friday.

Riding MARTA has become a necessity for many commuters. Here are a few pointers for MARTA newbies.

MARTA Rail service resumed at 4:30 a.m. Friday and will run on a modified weekend schedule with trains arriving every 7 to 15 minutes, the agency said. Red and Gold Lines will run to the airport until 2 a.m.

Limited bus service began at 4:30 a.m. Friday, with buses running on major roads and those servicing medical facilities.

MARTA Mobility paratransit service will provide service to customers with a scheduled pick-up.

The agency said parents whose children take MARTA to school should check to ensure their bus route is running or arrange for alternate transportation.

MARTA said it will employ a full staff Friday with the goal of returning to full bus service.

For detailed information on schedules, visit www.itsmarta.com.

MYAJC.COM: REAL JOURNALISM. REAL LOCAL IMPACT.

The AJC's David Wickert keeps you updated on the latest in what's happening with transportation in metro Atlanta and Georgia. You'll find more on myAJC.com, including these stories:

Never miss a minute of what's happening in Atlanta transportation news. Subscribe to myAJC.com.