KUSA — The University of Colorado A Line won't be running this weekend due to construction on Central Park Boulevard.

In a tweet RTD said the line will not operate between 3 a.m. Saturday April 28 and 3 a.m. Monday April 30. RTD says the service disruption is due to scheduled bridge work on Central Park Boulevard by the city of Denver.

Bus shuttle service will be provided. RTD is asking travelers to allow an extra hour of travel time between Union Station and the DIA station.

Shuttles will be departing from Union Station between 3:15 a.m. and 12:30 a.m. the following morning, every 15 minutes on the quarter hour. Bus shuttle service will be departing from Denver Airport Station between 4:12 a.m. and 1:27 a .m. the following morning, every fifteen minutes.

Click here for more information about where the shuttle buses will be making stops.