Getting to ESRL
ESRL is located in the David Skaggs Research Center (DSRC) at 325 Broadway, in Boulder, Colorado, next to the Department of Commerce National Institute of Science and Technology (NIST) building.
Regional highway map with directions from Denver International Airport (DIA). (PDF)
Driving Directions from DIA
Toll Free:
- Exit Denver International Airport via Peña Boulevard.
- Take Peña Boulevard to I-70 West.
- Split right on I-270 North (Exit 279), toward Ft. Collins and follow across I-25 to US-36 toward Boulder.
- Take US-36 (Boulder Turnpike) West.
- Exit US-36 at Baseline Road (University of Colorado Main Campus exit).
- Keep left and turn left (West) onto Baseline.
- Keep left and turn left at the first light onto 27th Way.
- Stay in the middle lane and turn left onto Broadway.
- Take the second right at the light onto Rayleigh Rd. and bear right into the Visitors Center parking lot.
Toll Road:
- Exit Peña Boulevard at E-470 and follow to US-36. Tolls are $8.50 each way.
By Bus
Regional bus service to Boulder is available through the RTD. The B bus provides regional service between Denver and Boulder. The Flatiron Park-n-Ride (Broadway and 27th Way) is the closest stop to ESRL and is on the Skip, Bound, 204, 227, AB, B, D, G, and J bus routes.
Security Procedure for Visitors
- Visitors are required to sign in and receive a visitor badge from the Visitors Center at the Security Checkpoint. Visitors will need to present a U.S. photo ID or foreign passport. No other forms of identification are accepted.
- To receive a visitor badge, all visitors are required to park next to the Security Checkpoint and enter the Visitors Center to be screened before proceeding to their destination.
- These are our requirements as per Homeland Security regardless of security threat level. If you have any questions, please contact Keith Turbitt at (303) 497-4332.
Security Procedure for Foreign Nationals
Additional information is needed for foreign nationals. The following must be submitted at least 30 days prior to arrival- Full Name
- Date of Birth
- Place of Birth (including city)
- Nationality
- Passport Number
- Dates of Visit
- Reason for Visit
Boulder Visitor Information
- Boulder Visitor information - from the Boulder Convention & Visitors Bureau
Lodging Information
- Lodging information - from the Boulder Convention & Visitors Bureau
Area Restaurants
- Restaurants in Boulder - from the Boulder Convention & Visitors Bureau