How to get from Castle Rock to One Union Station by bus and train?

Castle Rock to One Union Station - Bus Schedule

The GROOME TRANSPORTATION bus from Castle Rock to One Union Station runs from 3:45 AM to 10:45 PM, with departures every 1 hr-1 hr 30 min. The trip takes about 1 hr 54 min, with regular service throughout the operating hours.

From Castle Rock to One Union Station by bus and train

To get from Castle Rock to One Union Station in Denver, take the GROOME TRANSPORTATION bus from Castle Rock station to Denver International Airport station. Next, take the A train from Denver Airport Station Bus Gates 6,7,8,9 & 10 station to Union Station station. The total trip duration for this route is approximately 1 hr 54 min. The bus and train schedule from Castle Rock may change. We recommend you check the updated bus and train schedule to One Union Station on the Moovit app.

114min
Walk to bus station
Bus - GROOME TRANSPORTATIONGROOME TRANSPORTATION
Train - A
Walk to One Union Station
Leaves from Castle Rock

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Castle Rock
    180 yd • 3 min
  • 2
    Bus - GROOME TRANSPORTATIONGROOME TRANSPORTATION
    Wait for bus
    GROOME TRANSPORTATION
    Denver International Airport
  • 3
    Ride to bus station
    Ride to bus station
    Denver International Airport
    50 min
  • 4
    Walk to train station
    Walk to train station
    Denver Airport Station Bus Gates 6,7,8,9 & 10
    ID 34503
    380 yd • 5 min
  • 5
    Train - A
    Wait for train
    A
    Union Station
  • 6
    Ride to train station
    Ride to train station
    Union Station
    ID 34782/34667
    37 min
  • 7
    Walk to One Union Station
    Walk to
    One Union Station
    16th Street Mall
    130 yd • 2 min
*Duration based on 8am traffic
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Public transit directions from Castle Rock to One Union Station

The distance between Castle Rock, Denver and One Union Station, Denver is approximately 67.1 mi, which can typically be travelled in 114 min. Moovit will show you the directions from Castle Rock to One Union Station by bus and train, so no matter how you choose to travel in Denver – you will always have plenty of easy options.

Bus And Train schedule from Castle Rock to One Union Station

To check the bus and train schedule from Castle Rock to One Union Station using the Moovit app, first download and open the app on your smartphone. Enter your starting point (Castle Rock) and destination (One Union Station), then select the desired date and time of travel. Moovit will show all available bus and train routes, estimated travel times, and any required transfers. You can view detailed departure and arrival times for each bus and train, as well as real-time updates for delays or changes. Use this information to plan your trip and stay up to date with the latest bus and train schedules.

Related Routes

Questions & Answers

  • What is the fastest way to get from Castle Rock to One Union Station?

    The fastest way takes 114 minutes, using Bus line GROOME TRANSPORTATION, Train line A.

  • Is there a direct bus between Castle Rock and One Union Station?

    No, you’ll have to take one bus line and one train line in total. The total travelling time is 1 hr 54 min.

  • Which bus line goes from Castle Rock to One Union Station?

    The GROOME TRANSPORTATION bus line goes from Castle Rock station near Castle Rock in Denver - Boulder, CO to Denver International Airport station. From there you’ll have to take one train line till Denver International Airport station near One Union Station in Denver.

  • How long does it take to travel from Castle Rock to One Union Station by bus and train?

    The total travel time between Castle Rock in Denver - Boulder, CO and One Union Station in Denver by bus and train is about 1 hr 54 min.

  • Where do I get on the bus near Castle Rock to get to One Union Station?

    Get on the GROOME TRANSPORTATION bus from the Castle Rock stop near Castle Rock in Denver - Boulder, CO.

  • Where do I get off the bus when travelling between Castle Rock and One Union Station?

    Get off the bus at the Denver International Airport station, which is closest to One Union Station in Denver.

Popular Routes