U.S. Route 89 | ||||
|---|---|---|---|---|
 US 89 highlighted in red; US 89T in blue | ||||
| Route information | ||||
| Maintained by ADOT | ||||
| Length | 136.49 mi [1] (219.66 km) | |||
| Major junctions | ||||
| South end |   I-40 BL / US 180 in Flagstaff | |||
| North end |  US 89 northwest of Page | |||
| Location | ||||
| Country | United States | |||
| State | Arizona | |||
| Counties | Coconino | |||
| Highway system | ||||
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U.S. Route 89 (US 89) in the U.S. state of Arizona is a U.S. Highway that begins in Flagstaff and heads north to the Utah border northwest of Page.
US 89 begins at a junction with I-40 Bus. / US 180 in the city of Flagstaff, Arizona. The highway proceeds northeast, passing by suburban development and the San Francisco Peaks to the west. The highway then continues north through forested areas near Coconino National Forest and Sunset Crater Volcano National Monument. [2]
US 89 progresses north through sparsely populated desert areas. The highway passes through the community of Gray Mountain before entering the Navajo Nation. In the town of Cameron, the highway passes local businesses before intersecting with AZ 64, the highway that leads to the east entrance of Grand Canyon National Park. After the traffic circle with AZ 64, the road crosses over the Little Colorado River next to the decommissioned Cameron Suspension Bridge, which carried US 89 until 1959. [2] [3]
The highway continues through unpopulated areas of the Navajo Nation, intersecting with the western terminus of US 160 near Tuba City. North of Tuba City, US 89 closely parallels the western edge of the Echo Cliffs. In Bitter Springs, the highway splits into US 89 and US Route 89A, with the latter road continuing to the west towards Kanab, Utah, where the two routes rejoin. Mainline US 89 proceeds northeast, ascending the Echo Cliffs towards Page, Arizona. [2]
Near Page, the highway passes near Horseshoe Bend and Antelope Canyon before meeting the western terminus of AZ 98. It continues past hotels and local businesses before abruptly turning to the west, crossing over the Colorado River on the Glen Canyon Dam Bridge just south of the Glen Canyon Dam and Lake Powell. The road travels northwest, passing through Glen Canyon National Recreation Area before entering Utah. [2]
Prior to 1992, [4] the southern terminus of US 89 was at Nogales, Arizona. US 89 ran concurrently with Interstate 19 (I-19) until Green Valley. The route was taken (in a northerly direction) through Tucson via 6th Avenue, Congress Street and Granada Avenue. The route was carried out of Tucson via State Route 77 (SR 77). Further north it was carried via the Pinal Pioneer Parkway northwest out of Oracle Junction on SR 79. In Maricopa County, it ran concurrently with existing US 60 along Main Street in Mesa, Apache Boulevard and Mill Avenue in Tempe, then along Van Buren Street in Phoenix to Grand Avenue, [5] then to Wickenburg. Departing Wickenburg, it followed US 93 and SR 89 to Prescott. Departing Prescott, the route followed present-day SR 89 to Ash Fork, then ran east concurrently with I-40 to Flagstaff.
In Flagstaff, US 89 ran along old Route 66, Milton Road and Santa Fe Avenue. The highway crossed the Little Colorado River at Cameron on the Cameron Suspension Bridge until 1959, when the bridge was retired and replaced by a parallel span. [3]
On February 20, 2013, [6] the main alignment of US 89 was closed in both directions approximately 25 miles (40 km) south of Page due to a landslide that caused the roadway to buckle and subside. Traffic was re-routed via 45 miles (72 km) of secondary and tertiary roads on the Navajo Reservation. Alternate routes through Las Vegas, Nevada, or Hurricane, Utah, and Marble Canyon (US 89A) were also suggested. [7] US 89T (see below) opened in August 2013 as a bypass of the closed section, utilizing Navajo Route 20 as an alignment.
U.S. 89 reopened in March 2015 after a $25 million repair project. [6]
The entire route is in Coconino County.
| Location | mi [1] | km | Destinations | Notes | |
|---|---|---|---|---|---|
| Flagstaff | 418.37 | 673.30 |    I-40 BL / US 180 to I-17 / I-40 – Phoenix, Albuquerque | National southern terminus; former interchange, now at-grade T-intersection; highway continues west as I-40 BL/US 180 (former US 89 south) | |
| Cameron | 465.21 | 748.68 |   SR 64 west – Grand Canyon | Roundabout; eastern terminus of SR 64 | |
| | 480.80 | 773.77 |   US 160 east – Tuba City, Kayenta | Western terminus of US 160 | |
| Bitter Springs | 524.01 | 843.31 |   US 89A north – Jacob Lake, Fredonia | Southern terminus of US 89A; former US 89 north | |
| Page | 546.20 | 879.02 |  SR 98 east – Kayenta, Antelope Point | Western terminus of SR 98 | |
| Glen Canyon NRA | 556.84 | 896.15 | US 89 north | Continuation into Utah | |
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi | |||||
U.S. Route 89T | |
|---|---|
| Location | The Gap–Page |
| Length | 46.17 mi [8] (74.30 km) |
| Existed | 2013–2015 |
Navajo Route 20 | |
|---|---|
| Location | The Gap–Page |
| Length | 43.57 mi [8] (70.12 km) |
U.S. Route 89T (US 89T or US 89X) was the designation for Navajo Route 20 (N20), a road running mostly parallel to US 89 in Arizona. Added to the Arizona state highway system in 2013, US 89T served as a temporary detour for a closed section of US 89. The route was 46.17 miles (74.30 kilometres) long. [8]
The need for US 89T arose in February 2013, when a geological event caused a 150-foot (46 m) [9] stretch of US 89 to buckle 25 miles (40 km) south of Page. The loss of this stretch of road forced detours for traffic entering the Page area from the south. The Navajo Nation declared a state of emergency. [10] Motorists were rerouted on a 115-mile (185 km) detour via US 160 and SR 98 or a 90-mile (145 km) detour on N20, which had a 28-mile (45 km) unpaved stretch. As a result, commute times into Page increased, and merchants in Page and the surrounding area lost significant business.
The Arizona Department of Transportation (ADOT) added the road to the state highway system as US 89T and quickly moved to get money ($35 million from the Federal Highway Administration's emergency relief project fund) and equipment to pave the road. As the Navajo had wanted to pave N20 for decades, and some design and environmental clearances had already been obtained, it took just 79 days to pave N20 in a project that might have otherwise taken more than a year. [11] [12] In addition to pavement, right-of-way and fencing to separate the road from the local livestock population were required. [13] The improved road opened to traffic on August 29, 2013. Plans called for the road to be used for three years before the road reverted to Bureau of Indian Affairs jurisdiction. [14]
Initially, the route lacked proper fencing, cattle guards, and pavement markings to support safe travel at higher speeds. As a result, US 89T was open to local traffic only at night, and posted speed limits as low as 25 miles per hour (40 km/h). [11] As of October 15, US 89T restrictions were lifted following the installation of upgraded control features. [15]
With the reopening of mainline US 89 in March 2015, the US 89T designation was retired and ownership of the route returned to the Navajo Nation in April 2015. The route from The Gap to SR 98 is currently designated only as N20. [16]
The entire route was in Coconino County.
| Location | mi [8] | km | Destinations | Notes | |
|---|---|---|---|---|---|
| The Gap | 0.000 | 0.000 |  US 89 to US 89A north – Flagstaff, Fredonia   N20 begins | Southern terminus of US 89T; current southern terminus of N20; southern end of N20 concurrency | |
| | 7.872 | 12.669 |  N21 north (Kaibito Road) – Kaibito | Southern terminus of N21 | |
| Page | 43.570 | 70.119 |  N20 ends SR 98 east – Kayenta | Northern terminus of N20; northern end of N20 concurrency; southern end of SR 98 concurrency | |
| 46.174 | 74.310 | SR 98 ends / US 89 north – Page | Northern terminus of US 89T; northern end of SR 98 concurrency | ||
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
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Coconino County is a county in the north-central part of the U.S. state of Arizona. Its population was 145,101 at the 2020 census. The county seat is Flagstaff. The county takes its name from Cohonino, a name applied to the Havasupai people. It is the second-largest county by area in the contiguous United States, behind San Bernardino County, California. It has 18,661 sq mi (48,300 km2), or 16.4% of Arizona's total area, and is larger than each of the nine smallest states in the U.S.
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U.S. Route 89A is a 91.74-mile (147.64 km) north–south auxiliary U.S. highway in southwestern Kane County, Utah and northeastern Coconino County, Arizona in the southwestern United States. The highway is an old routing of U.S. Route 89 from Bitter Springs, Arizona to Kanab, Utah. The state of Arizona has designated this highway the Fredonia-Vermilion Cliffs Scenic Road. The highway is used to access the North Rim of Grand Canyon National Park and is known for the Navajo Bridge. Until 2008, the Utah portion was signed State Route 11. The route provides the only direct road connection between the Arizona Strip and the rest of Arizona.
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Below is a list and summary of the former state highways.
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