Puneet Varma (Editor)

Arizona State Route 187

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Existed:  1944 – present
North end:  SR 87
Constructed  1944
South end:  SR 387
Length  8.74 km
Arizona State Route 187

State Route 187, also known as SR 187, is a state highway in south-central Arizona traveling from State Route 387 north of Casa Grande north to its junction with State Route 87 near Sacaton. The entire stretch of road runs in the Gila River Indian Reservation and is approximately 5 miles (8.0 km) long. It is a short-cut for traffic heading toward the southeast valley of Phoenix in case of an accident on westbound Interstate 10.


Map of AZ-187, Arizona, USA

The stretch between Interstate 10 and Casa Grande was historically/originally part of SR 187; it is now part of SR 387.

Route description

The southern terminus of SR 187 is located at an intersection with SR 387 northeast of the interchange between I-10 and SR 387. SR 187 heads northeast from this junction to an intersection with the Casa Grande Highway. It continues towards the northeast to its northern terminus at an intersection with SR 87.


The route was established in 1944 by the Arizona Department of Transportation and originally ended at State Route 84. The road was improved several times until it was completely paved in 1966. In 1984, ADOT deleted the section between SR 84 and SR 387.

Junction list

The entire route is in Gila River Indian Reservation, Pinal County.


Arizona State Route 187 Wikipedia

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