Monday marked the first day that four-car CTrains began running on the Blue Line LRT.
Four-car trains were introduced to the Red Line LRT in late 2015.
According to the City of Calgary, the longer trains can carry an additional 200 customers per trip.
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The City of Calgary said there will be an average of six four-car trains running on the Blue Line (69 Street-Saddletowne) every weekday.
“Four-car train service on the Blue Line is a welcome addition to our public transit service,” Calgary Mayor Naheed Nenshi said in a news release.
Calgary’s CTrain system carries about 285,000 people every weekday.