How long is Boulder Mountain Pass?

How long is Boulder Mountain Pass?

Usa, north-america

Length

46.67 km

Elevation

2,928 m

Difficulty

extreme

Best Season

Year-round

Okay, road trip fans, listen up! We're heading to Boulder Mountain Pass in Utah's Garfield County, and let me tell you, it's a stunner! We're talking serious altitude here – 9,606 feet above sea level!

This fully paved beauty stretches for about 29 miles between Boulder and Grover, making it the highest point along that stretch of road. Built way back in the '20s, this route is packed with history!

Now, don't think it's just a leisurely cruise. There are some seriously steep sections, with grades hitting up to 8% in places. Keep that engine purring! The road's open all year, but be warned: winter storms can shut things down until the plows do their magic. Also, heads up, cell service is spotty (or nonexistent!) in these remote parts. Plus, expect some tight curves and narrow shoulders along the way. But trust me, the views are worth it!

Share this road

Road Details

Country
Usa
Continent
north-america
Length
46.67 km
Max Elevation
2,928 m
Difficulty
extreme

Related Roads in north-america

Where is Green River Cove Road?hard

Where is Green River Cove Road?

🇺🇸 Usa

Okay, motorcycle fans, listen up! Green River Cove Road in Polk County, North Carolina, is calling your name. Tucked away in the southwestern part of the state, this baby is 10.7 miles (17.21km) of pure Appalachian thrill. Picture this: You're winding through the Green River Game Lands, a massive forested area, tackling hairpin after hairpin. We're talking 17 of them, some boasting a heart-pumping 22% incline if you hug the inside lane! Most of the road hangs out in the 6-8% grade range, with a few spots kicking it up a notch. Watch out for oncoming traffic though! This isn't a Sunday cruise. It's a proper challenge, with tight switchbacks and some seriously steep sections. The road was paved back in 2015, so you can enjoy the ride without dodging too much tar and rock, as it used to be! Get ready for an awesome ride!

Whitemans Gaphard

Whitemans Gap

🇨🇦 Canada

Okay, buckle up, road trippers! We're headed to Whitemans Gap, a seriously scenic mountain pass sitting pretty at 5,626 feet in Alberta's Banff National Park. You'll find it marked as AB-742, also known as Three Sisters Parkway. Now, this isn't your average highway cruise. Expect a narrow, winding gravel road that climbs steeply. Think hairpin turns and some heart-stopping drop-offs – so keep your eyes on the road! The good news? You don't need a monster truck; a regular car can handle it. The route itself is gorgeous, hugging several mountain lakes (though fair warning, guardrails are optional!). Keep an eye out for the local residents; moose, coyotes, and even the occasional bear love to hang out here. Just be smart and avoid this road if the weather turns nasty. Trust me, if you're a driving enthusiast, the road to the nearby Smith-Dorrien Pass, accessible from here, is going to be your jam!

Conclusion: Strategic Vigilance on SR 99extreme

Conclusion: Strategic Vigilance on SR 99

🇺🇸 Usa

State Route 99 (SR 99), which carves through California’s Central Valley, holds the somber distinction of being ranked as the most dangerous highway in the United States. Despite being shorter than the major Interstates, it leads the nation in fatal accidents per 100 miles. A combination of outdated structural design, insufficient lighting, and high-velocity commercial transit makes this 400-mile stretch a high-consequence environment for any driver. SR 99 Technical Risk Profile 62 fatal accidents per 100 miles Sacramento, Stockton, Modesto, Fresno Lack of lighting (40% of nighttime fatalities) 70 MPH (Exceeds standard CA 65 MPH limit) Infrastructure and Design Flaws The primary reason for the high mortality rate on Highway 99 is its outdated infrastructure. Originally designed for lower traffic volumes, the road is now a major corridor for heavy commercial trucks and passenger vehicles. The lack of adequate lighting is a decisive factor: statistical data reveals that nearly 25.5 incidents per 100 miles occur during nighttime in unlit sections. In the last five years, 40% of all fatal collisions on this route took place in total darkness. Heavy Vehicle Dynamics and Collision Factors Federal Motor Carrier Safety Administration (FMCSA) , fatal collisions involving heavy trucks (above 10,000 lbs) on SR 99 are often the result of cumulative factors rather than sudden events. On this specific corridor, the most frequent causes include: Semi-trucks failing to decelerate for sudden traffic jams near urban nodes like Fresno and Fowler. Improper Load Management: Shifting loads affecting vehicle stability in narrow lanes. Long-haul transit through the Central Valley leads to lapses in situational awareness.  The "Speed vs. Geometry" Paradox Interestingly, Highway 99 has a posted speed limit of 70 MPH, which is higher than the typical 65 MPH limit found on most California highways. This high speed, combined with a narrow and aging road structure, leaves zero margin for error. When high-velocity transit meets the dense fog frequent in the Central Valley (Tule fog), the probability of multi-vehicle pile-ups increases exponentially. Critical Incident Zones: The Fresno-Fowler Sector Data indicates that the highest fatality rates are concentrated in the Fresno County sector. Urban expansion has placed immense pressure on the SR 99 interchanges, leading to aggressive lane merging and "rear-end" collisions involving heavy freight. In 2016, a series of high-profile accidents—including a fatal semi-truck collision near Fowler—underscored the lethal consequences of following too closely in areas of fluctuating traffic density. Conclusion: Strategic Vigilance on SR 99 Navigating Highway 99 requires more than basic driving skills; it requires an understanding of the road's technical limitations. The combination of darkness, high speed limits, and a high volume of commercial traffic makes it the most volatile corridor in the American highway system. For drivers in Central California, situational awareness and strict adherence to following distances are the only ways to mitigate the inherent risks of this outdated arterial. Road Trip Guide: Conquering Barker Pass in California The Ultimate Guide to Traveling the Kelso Dunes Road in California Embark on a journey like never before! Navigate through our to discover the most spectacular roads of the world Drive Us to Your Road! With over 13,000 roads cataloged, we're always on the lookout for unique routes. Know of a road that deserves to be featured? Click  to share your suggestion, and we may add it to dangerousroads.org.

Where is Shunda Mountain?hard

Where is Shunda Mountain?

🇨🇦 Canada

Alright, road trip lovers, let's talk Shunda Mountain! This bad boy is a high-altitude peak located in west-central Alberta. You'll find a bunch of antennas and a fire lookout up top. Now, "Shunda" apparently means "mire" in a native language – fitting, considering the terrain! Heads up: the road to the top is completely unpaved – think rough, rocky, and ready for adventure. There are some seriously challenging bits with steep drop-offs, so you absolutely need a vehicle with high clearance and 4x4. The journey kicks off from the David Thompson Highway and climbs from there. Expect a good amount of elevation gain over a decent stretch, giving you a satisfying average gradient. Keep in mind, this isn't an all-year-round adventure. The road is usually impassable from November to June, so plan your trip for the rest of the year. Is it worth it? Absolutely! The views from the summit are incredible: sweeping vistas of the east side of the Rockies, valleys, and panoramic views of the surrounding landscape. Trust me, your camera roll will thank you!