State Route 188, 189 and 195 in Arizona

State Route 188 in Arizona

Get started globe
End Rye
Length 61 mi
Length 97 km

Tonto Basin

State Route 188 is a state route in the U.S. state of Arizona. The road connects Globe and Rye near Payson. State Route 188 is 60 miles long.

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Travel directions

The Theodore Roosevelt Bridge.

State Route 188 begins west of Globe, a small mountain town east of Phoenix. It is a regional center and intersection of highways in eastern Arizona. The road heads northwest through a valley and passes through the Tonto National Monument. The road also passes the elongated Theodore Roosevelt Lake, a reservoir, where State Route 188 with an arch bridge runs right past Roosevelt Dam, where State Route 88 connects. The road then continues through the sparsely populated valley east of the Superstition Mountains, eventually ending at an intersection with State Route 87, 20 miles south of the mountain town of Payson.

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State Route 188 was added to the network of state routes in Arizona in 1959. Originally, the southern section between Roosevelt Dam and Globe was part of State Route 88, later it was renumbered as State Route 188, possibly to suggest less that State Route 88 is a suitable road for traffic from Phoenix to Globe, because SR-88 is partly unpaved and US 60 further south is much faster.

State Route 188 is especially important for traffic between Globe and Payson, two mountain towns in central eastern Arizona. The road is also important for tourism around Lake Theodore Roosevelt, including the Tonto National Monument. This is famous for the ruins of the Salado people who built dwellings here in the rocks in the 13th to 15th centuries.

The Roosevelt Dam was modernized between 1989 and 1996. The road originally ran over the dam, but has been rerouted over an arch bridge that was inaugurated in 1992.

Traffic intensities

Every day, 3,200 vehicles travel at Globe, dropping to 1,000 vehicles to the Roosevelt Dam and 600 to 800 vehicles further to SR-87.

State Route 189 in Arizona

Get started Nogales
End Nogales (MEX)
Length 4 mi
Length 6 km

State Route 189 is a state route in the U.S. state of Arizona. The road forms part of the International Bypass of Nogales, Arizona and Nogales, Mexico. The road is 6 kilometers long.

Travel directions

The connection to I-19 north of Nogales.

State Route 189 is an urban arterial that connects Interstate 19 to the border with Mexico on the west side of Nogales. The road is part of the western bypass for through traffic around Nogales, which is a border town and includes Nogales, Arizona and Nogales, Sonora, Mexico. State Route 189 joins the Carretera Federal 15D on the border that leads to Hermosillo.


State Route 189 was created in 1956 as a link between I-19 and US 89 in Nogales. In 1974 the route was modified into the current bypass of Nogales. The Nogales-Mariposa Port of Entry border crossing was inaugurated the previous year so that through traffic did not have to pass through the centers of Nogales. All freight traffic now has to use this border crossing instead of the old route through the center. The border crossing was expanded considerably between 2010 and 2014. To accommodate the increased freight traffic, the connection between SR-189 and I-19 is planned for flyovers in 2020-2022.

Traffic intensities

10,000 vehicles use the border crossing every day.

State Route 195 in Arizona

Begin saint Louis
End Yuma
Length 22 mi
Length 36 km
saint LouisYuma

State Route 195 is a state route in the U.S. state of Arizona. The road runs from San Luis to the east side of Yuma in the far southwest of the state. The road is 36 kilometers long.

Travel directions

State Route 195 begins in the border town of San Luis on US 95, just 1 kilometer from the border with Mexico. From San Luis the road is first a single carriageway for 8 kilometers through the flat desert, after that it is a 2×2 divided highway. It’s practically a freeway between the few intersections. The road leads well east of the town of Yuma, through the Sonoran Desert. There are only two intersections over 20 miles. The road ends in eastern Yuma at a junction with Interstate 8.


State Route 195 was built to relieve the city of Yuma from through freight traffic to the border with Mexico. Originally there was only a single lane road from San Luis to the prison in the desert. Most of State Route 195 opened to traffic on September 4, 2009.

The road is largely a 2×2 divided highway. In fact, the largest part has been constructed in such a way that a freeway can be made without major adjustments. The intersections with Avenue B and County 14th Street are prepared for overpasses in the median strip.

Traffic intensities

Every day, 5,000 to 7,000 vehicles travel most of State Route 195, peaking at 21,000 when it connects with I-8.

State Route 195 in Arizona

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