Interstate 19

I-19
I-19
	I-19 highlighted in red
Route information
Length	102.08 km (63.43 mi)
Existed	1963–present
NHS	Entire route
Major junctions
South end	I-19 BL in Nogales
	SR 189 in Nogales; I-19 BL north of Nogales; SR 289 in Rio Rico; SR 86 in Tucson;
North end	I-10 in Tucson
Location
Country	United States
State	Arizona
Counties	Santa Cruz, Pima
Highway system
	Interstate Highway System; Main; Auxiliary; Suffixed; Business; Future; Arizona State Highway System; Interstate; US; State; Proposed; Former;

Interstate 19 is an Interstate Highway in the state of Arizona in the United States. It goes from Nogales at the Mexico border north to Tucson. The route is 63.35 miles (101.95 km) long.^[1]