Allegiant Air offers airplane service into Fort Collins/Loveland Airport. Denver International Airport, which is 25 miles to the south, is served by nearly 20 airlines. Fort Collins can be approached from Denver by car via Interstate25. Greyhound offers bus service into the city.
Fort Collins' downtown streets form a grid with Interstate 25 running north and south on the east side of the city. U.S. Highway 287 runs east and west in the northwest sector of the city. Transfort, Fort Collins' local bus transportation system, provides 16 routes and operates daily. Alternative transportation is encouraged in the city; bicycle commuters benefit from city incentives and excellent bike paths through town. Maps for a walking tour of the historic downtown district can be obtained from the Downtown Business Association.