RJ Sangosti, The Denver Post
The A-Line train travels between downtown Denver and Denver International Airport on Oct. 11, 2016. 
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The University of Colorado A-Line to Denver International Airport will suspend rail service on Saturday so that crews can complete work on a bridge at Central Park Boulevard.
The Regional Transportation District will provide shuttle bus service during the shutdown of the A-Line, which will be in effect from 3 a.m. Saturday to 3 a.m. Sunday. The line needs to be powered down during this time due to its high voltage and proximity to construction crews.
Bus shuttles will make stops at all A-Line stations and will run on a 15-minute frequency in both directions. RTD is suggesting that travelers plan on an additional hour of travel time between Union Station and DIA during the closure.
