Interstate 19 is a short (101.84 kilometers/63.28 miles) north-south highway located entirely in southern Arizona, from Nogales at the Mexican border north to Tucson. The Interstate was completed in 1978, and is the only U.S. Interstate where signed distances are given in meters or kilometers instead of miles. This is a list of cities and attractions along or near the Interstate, from south to north.
avg. score: 1 of 11 (13%)
required scores: 1, 2, 3, 4, 5