US · FMCSA ACTIVE AUTHORITY INSURED
COLORADO TOUR LINE LLC
dba GRAY LINE OF DENVER
Colorado Springs, CO 80906 · DOT 687791 · MC128450
Company profile
Web-discovered · as of 2026-07-30
Gray Line of Denver (operated by Colorado Tour Line LLC) provides sightseeing tours, chartered bus services, and airport transportation in Colorado.
Fleet use
Passenger transport
Operating scope
Regional
Service model
passenger charter, scheduled route
Equipment
bus, coach
Ownership
Private
Employees
51-200
Networks & associations
Gray Line
Industries served
tourismtransportationcharter services
HQ · 15330 S Pine Dr, Parker, CO 80134
Active website, MC128450 active, and 2026 hiring roles confirmed.
Registry record
Source FMCSA · as of 2026-08-01
Fleet size
58
power units · corroborated
Activity
passenger transport
for hire licence
In operation since
1997
43 drivers
US compliance
Source FMCSA L&I / SAFER · as of 2026-07-08
Operating authority
Active
Insurance on file
Yes (BIPD)
min cover $5,000k
Out of service
No
Safety rating
SATISFACTORY
Data Services
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