State Route 68, also known as SR 68, is an east–west highway in northwestern

Arizona Arizona ( ; nv, Hoozdo Hahoodzo ; ood, Alĭ ṣonak ) is a state in the Southwestern United States. It is the 6th largest and the 14th most populous of the 50 states. Its capital and largest city is Phoenix. Arizona is part of the Fou ...

running from its western terminus at its junction with

State Route 95 Route 95, or Highway 95, may refer to routes in the following countries: __TOC__ International * European route E95 Australia * Great Northern Highway (Western Australia) * Fossickers Way (New South Wales) Canada * British Columbia Highway 95 * ...

in Bullhead City to a grade-separated interchange at U.S. Route 93 northwest of Kingman. The western terminus formerly extended just to the west of its current point to

Davis Dam Davis Dam is a dam on the Colorado River about downstream from Hoover Dam. It stretches across the border between Arizona and Nevada. Originally called Bullhead Dam, Davis Dam was renamed after Arthur Powell Davis, who was the director of the ...

; this became Mohave County Road 68 in 1998.

Route description

Arizona State Route 68, near Laughlin, Nevada (2639399351)

The primary purpose of this route is to carry traffic to Bullhead City and

Laughlin, Nevada Laughlin is an unincorporated resort town and census-designated place in Clark County, Nevada, United States. It is located on the Colorado River, directly across from the much larger Bullhead City, Arizona. Laughlin lies south of Las Vegas, in ...

. Since

September 11, 2001 The September 11 attacks, commonly known as 9/11, were four coordinated suicide terrorist attacks carried out by al-Qaeda against the United States on Tuesday, September 11, 2001. That morning, nineteen terrorists hijacked four commerc ...

, the highway had also composed part of the mandatory detour for trucks and recreational vehicles traveling between Arizona and

Las Vegas, Nevada Las Vegas (; Spanish for "The Meadows"), often known simply as Vegas, is the 25th-most populous city in the United States, the most populous city in the state of Nevada, and the county seat of Clark County. The city anchors the Las Vega ...

via US 93, due to the heavy vehicle restrictions over Hoover Dam. The detour was temporary and was removed in 2010, when the new bypass was completed south of the dam .

History

SR 68 was a 2 lane highway and had a high grade going through the Black Mountains. The highway was expanded to 4 lanes in the mid-1990s and now has a smoother ride through the mountains. There are two runaway truck ramps at 6 and 10 miles westwards downhill from Union Pass. Beginning with 2015 model year vehicles, SAE standard J2807 standardizes the setting of maximum trailer

towing Towing is coupling two or more objects together so that they may be pulled by a designated power source or sources. The towing source may be a motorized land vehicle, vessel, animal, or human, and the load being anything that can be pulled. Th ...

capacities. Among many other subtests, it requires an uphill (eastbound) pull on AZ-68 from near the Davis Dam at elevation at a minimum temperature of , driving the at a minimum of up the 7 percent

grade Grade most commonly refers to: * Grade (education), a measurement of a student's performance * Grade, the number of the year a student has reached in a given educational stage * Grade (slope), the steepness of a slope Grade or grading may also ref ...

(average 5%) to Union Pass at elevation.

Junction list

References

External links

SR 68 - Arizona Roads
{{Authority control 068 Transportation in Mohave County, Arizona