Utah, where the golden spike was driven in 1869 to mark the completion of the first transcontinental railroad, had 2,255 rail mi (3,629 km) of track in 2000. Major railroads are the Burlinton Northern/Santa Fe and the Union Pacific. Amtrak provides passenger service to Salt Lake City, Ogden, Milford, Provo, Helper, and Thompson.
The Utah Transit Authority, created in 1970, provides bus service for Salt Lake City, Provo, and Ogden. In 2000, Utah had 41,852 mi (67,354 km) of public roads and streets; there were 1,655,897 registered motor vehicles and 1,463,366 licensed drivers. The main east–west and north–south routes—I-80 and I-15, respectively—intersect at Salt Lake City. Utah had 95 airports in 2002. By far the busiest was Salt Lake City International Airport, with 9,522,344 passengers enplaned in 2000.