Contact Us
Sirna Therapeutics is located on the northeastern edge of Boulder, roughly at Valmont and Foothills Parkway. The following page contains details on how to reach us.

Boulder Campus:

2950 Wilderness Place
Boulder, Colorado 80301

Getting to Sirna Therapeutics

Fly to Denver International Airport (airport code = DEN), which is about 50 miles southeast of Boulder. The airport, often called DIA, has car rental offices, bus and shuttle services, cabs, and restaurants.

Click to view a more detailed PDF Map


Shuttle Bus Services

Boulder SuperShuttle: (303) 227-0000

Boulder Express Shuttle: (888) 457-4646

Check in at counter in main terminal located near baggage claim on Level 5, to purchase tickets to Boulder. Shuttles leave to and from the airport hourly from ~5:00 AM to ~12:30 AM. Trip time is a bit more than 60 minutes depending on number of stops to hotels etc. One-way trip fare to hotels is ~ $19; roundtrip is ~ $36. You can be taken to any address in town for an extra ~ $6. Reservations possible from Boulder to the airport, but are not required from airport to Boulder.


Rental Car

Denver International Airport has contracted with several rental car companies. All the companies provide courtesy shuttle service to their facilities and have service counters located near baggage claim on Level 5.


Limousine Service

We recommend Boulder Trip Service: (866) 849-8930, $95.25 each way (includes gratuity & toll fare).


Directions From DIA to Sirna
via E-470/Northwest Parkway

Driving time is about 40 minutes (approx.43 miles).

2950 Wilderness Place
Boulder, CO 80301
Phone: (303) 449-6500
Click here for Yahoo Maps Directions

E 470 is a toll route, $5.25 one way, exact change not needed.

  1. Look for signs marked Airport Exit/Peña Blvd
  2. Stay on Peña Blvd for only a few miles until E-470 interchange
  3. Take E-470 North/West (go 25 miles)
  4. E-470 becomes the Northwest Parkway
  5. Northwest Parkway turns into 96th Street for the last few miles
  6. 96th Street is a local traffic 4 lane, 45 M.P.H. arterial, allowing access to US-36 to Boulder (stay in right lane)
  7. Take US-36 West (6 miles)
  8. Take the Foothills Pkwy/CO-157 North/CU Stadium exit
    (exit on right but stay in left lane of two-lane exit)
  9. Continue on Foothills Parkway past Arapahoe Avenue (go 3.5 miles)
  10. Turn left on Valmont Road (go 0.1 miles)
  11. Turn left at first light onto Wilderness Place (go 0.1 miles)
  12. Please check in at Corporate Headquarters at 2945 Wilderness Place

Return to Airport

  1. Depart Sirna heading north on Wilderness Place (go 0.1 miles)
  2. Turn right on Valmont (go 0.1 miles)
  3. Turn right on Foothills Parkway (go 3.5 miles)
  4. Merge onto US-36 towards Denver (go 6 miles)
  5. Exit Storage Tek Drive/Interlocken Loop/Northwest Parkway
  6. Turn left onto Storage Tek which becomes 96th Street/Northwest Parkway
  7. Northwest Parkway becomes E-470 (go 28 miles)
  8. Follow signs to airport/Peña Blvd

Home  |  Back to Top  |  Legal  | Glossary

©2004-2005 Sirna Therapeutics, Inc.