DENVER (AP) — Denver is celebrating its new train service between downtown and the airport.

The train — officially called the University of Colorado A line — began running between Union Station and Denver International Airport on Friday filled with dignitaries.

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“It’s great to be mayor when we inaugurate this,” Denver Mayor Michael Hancock said. “For someone who grew up in this city and has been around here from the moment this project was conceived to today — certainly in 2004 when the voters passed it throughout the region — this is a big moment for us. It’s been a long time coming.”

(credit: CBS)

Dignitaries at the ribbon cutting at Union Station (credit: CBS)

Paying passengers are expected after a ceremony to celebrate the opening.

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The 23-mile trip takes about 37 minutes and cost $9 each way.

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Riders can take the new train for free on both Friday and Saturday.

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