The first batch of new Denver International Airport concourse train cars transported passengers on Monday, with 20 more set to hit the rails through 2025. The 26 new train cars are expected to increase the number of passengers that can be moved to gates, shorten the time between train arrivals and improve energy efficiency, DIA officials said in a news release. Related Articles Transportation | Denver International Airport expects nearly 1 million Fourth of July travelers Transportation | Why Coloradans should check out Winnipeg, the “cultural cradle” of Canada Transportation | Over 400 flights delayed Tuesday amid high winds at Denver International Airport Transportation | Denver’s high temperature reaches 100 for the first time since 2022 Transportation | These Denver neighborhoods have attracted cannabis businesses in a big way, but not much else Six new train cars began operating Monday, with the remaining 20 coming online through next year. “Today marks an important milestone, as our train to the concourses play a crucial role in the passenger experience at DEN,” airport Chief Executive Officer Phil Washington said in a statement.