Arizona State Route 189

State Route 189 marker
State Route 189
Mariposa Road
Map
SR 189 highlighted in red
Route information
Maintained by ADOT
Length3.75 mi[1] (6.04 km)
Existed1956–present
Major junctions
South end Fed. 15D at Mexican border in Nogales
Major intersections I-19 in Nogales
North end BL 19 in Nogales
Location
CountryUnited States
StateArizona
Highway system
  • Arizona State Highway System
SR 188 US 191

State Route 189 (SR 189) is a highway in Santa Cruz County, Arizona that runs from its junction with Interstate 19 to the US-Mexico Border. It is a north–south route for its entirety.

The highway is a portion of, and the southern terminus of the United States section of the CANAMEX Corridor, a trade corridor that stretches north from Mexico across the United States to the Canadian province of Alberta.

  1. ^ Arizona Department of Transportation. "2008 ADOT Highway Log" (PDF). Archived from the original (PDF) on 2010-12-28. Retrieved 2008-04-09.