
State Route 287, also known as SR 287, is a predominantly east–west state highway in central
Arizona
Arizona is a U.S. state, state in the Southwestern United States, Southwestern region of the United States, sharing the Four Corners region of the western United States with Colorado, New Mexico, and Utah. It also borders Nevada to the nort ...
. Originally, this highway number only applied to Florence-Coolidge Highway; the branch to Casa Grande was added later.
Route description
SR 287 begins in
Casa Grande
Casa Grande ( O'odham: ''Wainom Wo:g'') is a city in Pinal County, approximately halfway between Phoenix and Tucson, in the U.S. state of Arizona. According to the 2020 census, the population of the city was 55,653. It is named after the Casa ...
at an interchange with
I-10
Interstate 10 (I-10) is the southernmost transcontinental highway in the Interstate Highway System of the United States. It is the fourth-longest Interstate in the country at , following I-90, I-80, and I-40. It was part of the originall ...
near the eastern end of town. The route proceeds eastbound until it overlaps
State Route 87 as Arizona Boulevard. The highway travels several miles directly north to
Coolidge, until splitting from SR 87 and diverging eastward to
Florence
Florence ( ; ) is the capital city of the Italy, Italian region of Tuscany. It is also the most populated city in Tuscany, with 362,353 inhabitants, and 989,460 in Metropolitan City of Florence, its metropolitan province as of 2025.
Florence ...
, where it terminates at
SR 79B.
History
The route between Florence and Coolidge was numbered as SR 287 in 1932. At that time, it was an unpaved road. By 1934, it was paved in the segment it was designated. In 1961, the section to Casa Grande was added to the designation.
The section between I-10 and was truncated in the 2020s.
Junction list
References
External links
{{Attached KML, display=title,inline
SR 287 at Arizona Roads
287
Transportation in Pinal County, Arizona
Casa Grande, Arizona