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NB1

Boulder/ Nederland/ Eldora

Bus · Route NB1

Eldora Mtn Ski Resort ↔ Downtown Boulder

1 alert Every 60 min 7:10 AM – 7:04 PM 0 buses live
Track live
Direction
Live · as of 8:30 PM

Stops, live buses and next arrivals

Service alertNB1 service to Eldora Mountain Resort expected to begin mid November, 2026.
Live data is delayed.
    1. Eldora Mountain ResortNo more buses
    2. Nederland High School1 bus routeNo more buses
    3. Eldora Rd & Hwy 721 bus routeNo more buses
    4. CO 119 & Big Springs Dr1 bus routeNo more buses
    5. Nederland PnR1 bus routeNo more buses
    6. Boulder Canyon Dr & E 3rd St1 bus routeNo more buses
    7. CO 119 & East St1 bus routeNo more buses
    8. CO 119 & Hurricane Hill Rd1 bus routeNo more buses
    9. CO 119 & Saint Anton1 bus routeNo more buses
    10. CO 119 & Boulder Falls1 bus routeNo more buses
    11. CO 119 & Mile Post 351 bus routeNo more buses
    12. CO 119 & Mile Post 361 bus routeNo more buses
    13. CO 119 & Magnolia Dr1 bus routeNo more buses
    14. CO 119 & Chapman Dr1 bus routeNo more buses
    15. CO 119 & Four Mile Canyon Rd1 bus routeNo more buses
    16. Canyon Blvd & 3rd St1 bus routeNo more buses
    17. Canyon Blvd & 6th St1 bus routeNo more buses
    18. Canyon Blvd & 9th St1 bus routeNo more buses
    19. Canyon Blvd & 11th St5 bus routesNo more buses
    20. Downtown Boulder Station (Ar)17 bus routesNo more buses
    21. Downtown Boulder Station Gate 417 bus routesNo more buses
    1. Downtown Boulder Station Gate 317 bus routesNo more buses
    2. Downtown Boulder Station Gate 417 bus routesNo more buses
    3. Canyon Blvd & 11th St1 bus routeNo more buses
    4. Canyon Blvd & 9th St1 bus routeNo more buses
    5. Canyon Blvd & 6th St1 bus routeNo more buses
    6. Canyon Blvd & 4th St1 bus routeNo more buses
    7. Canyon Blvd & Pearl St1 bus routeNo more buses
    8. CO 119 & Four Mile Canyon Rd1 bus routeNo more buses
    9. CO 119 & Chapman Dr1 bus routeNo more buses
    10. CO 119 & Magnolia Dr1 bus routeNo more buses
    11. CO 119 & Mile Post 361 bus routeNo more buses
    12. CO 119 & Mile Post 351 bus routeNo more buses
    13. CO 119 & Boulder Falls1 bus routeNo more buses
    14. CO 119 & Saint Anton1 bus routeNo more buses
    15. CO 119 & Hurricane Hill Rd1 bus routeNo more buses
    16. CO 119 & Stinky Gulch Rd1 bus routeNo more buses
    17. Boulder Canyon Dr & E 3rd St1 bus routeNo more buses
    18. Nederland PnR1 bus routeNo more buses
    19. CO 119 & W Boulder St1 bus routeNo more buses
    20. Eldora Rd & Hwy 721 bus routeNo more buses
    21. Nederland High School1 bus routeNo more buses
    22. Eldora Rd & Nederland High School Driveway1 bus routeNo more buses
    23. Eldora Mountain ResortNo more buses
    Live arrival Grey times are scheduled Not tracked: scheduled, but no bus is reporting

    Timetable

    Scheduled departures for any day RTD has published. For live arrivals, use the diagram above.

    Sunday schedule Sun, Nov 1

    8 AM
    02
    9 AM
    12
    10 AM
    12
    11 AM
    12
    12 PM
    12
    1 PM
    12
    2 PM
    12
    3 PM
    12
    4 PM
    12
    5 PM
    12
    6 PM
    12

    On-time performance

    How much of the time buses ran early, on time or late, hour by hour.

    97% on time today

    from 170 vehicle-minutes

    • On time
    • Late (over 5 min)
    • Early (over 1 min)
    • Fewer than 30 vehicle-minutes
    On time: no more than 1 min early or 5 min late, sampled once a minute from live positions. Use the left and right arrow keys to read each hour.
    Hour-by-hour numbers
    HourOn timeLateEarlyVehicle-minutesPrevious 0 days, on time
    4 PM100%0%0%32–
    5 PM100%0%0%98–
    6 PM86%0%14%36–
    7 PM100%0%0%4 (Fewer than 30 vehicle-minutes)–

    Connections

    Bus routes you can transfer to from route NB1.

    And 7 more routes at stops along the way. AB1Boulder / Denver AirportAB3Boulder / Denver AirportBOLTBoulder / LongmontFF1Flatiron FlyerFF2Flatiron FlyerFF5Flatiron FlyerJUMPBoulder / Lafayette/ Erie

    About route NB1

    Route NB1 (Boulder/ Nederland/ Eldora) is a RTD bus route with 21 stops between Eldora Mountain Resort and Downtown Boulder.

    Times with the live mark come from each bus's GPS and RTD's real-time predictions. Times marked "Not tracked" are scheduled trips with no bus reporting. All other times are from RTD's published schedule (feed Sep26-37329-18-19-20261030-143459).

    How often does route NB1 run?

    Every 60 min for most of the day on weekdays, based on the published schedule.

    When does route NB1 start and stop?

    The first bus leaves around 7:10 AM and the last arrives around 7:04 PM.

    What are timepoints?

    Timepoints are stops where the bus is scheduled to wait if it's running early; times at the stops between them are estimates. On long routes, the diagram shows timepoints, transfer stops and stops with a bus nearby, and groups the stops in between.