bucket list Dubai experiences

Lightweight off-road vehicle

A sandrail, also called a sand rail, rail, or sand car, is a lightweight off-road motor vehicle specifically built for traveling in sandy terrain. Synonymously referred to as dune buggies, a sandrail is a type of speciality vehicle.^[1] They are popularly operated on actual sand dunes. Sandrails can be driven on other types of terrain but are designed specifically for sand.

History

[edit]

At the end of World War II thousands of soldiers returning from the war had spent years driving Jeeps, tanks, and half-tracks with few or no roads. Having an increased disposable income, these GIs formed the original core of off-road enthusiasts. Initially, they used surplus Jeeps and cut-up cars to build their off-road vehicles. Soon these "off-roaders" discovered that with little more than a skid plate, they could get a stock air-cooled Volkswagen Beetle to go almost anywhere.^[2] Throughout the 1950s the sport continued to develop.

In 1958 Pete Beiring of Oceano, Calif., took the body frame or "pan" from a damaged Volkswagen and shortened it into a new machine that eventually became the precursor to the dune buggy. This eventually led to the first production dune buggy called the "Sportster", which was developed around 1960 by the EMPI Imp Company. It was an angular sheet metal vehicle built on a stripped-down Volkswagen chassis. Many others followed including the ever popular Meyers Manx design.^[3] Dune buggies had a style all their own with fiberglass siding and other "heavy" body features.

As the late 1960s and early '70s approached, enthusiasts developed lighter and more powerful sand vehicles capable of ascending steeper and higher dunes. Many started experimenting at home by building super light weight vehicle frames from metal tubing, often without a roll cage. Many were nothing more than a frame, engine, transmission, wheels and one or two seats. Because of their versatility, light weight and simplicity the air-cooled Volkswagen engine and transmission were the power plant of choice for many owners. By placing the motor and transmission in the rear of the frame it allowed the front of the sandrail to remain extremely light and thus able to "float" over the sand dunes. An added value of placing the engine in the rear of the vehicle was that heat created by the motor did not blow into the face of the driver and passengers. From the 1970s forward, sandrail builders continued to push the delicate balance between weight and power.

Body style

[edit]

When it comes to serious sand dunes, most off-road vehicles including those with four wheel drive are relatively top heavy and can only safely climb or descend steep hills with a mostly perpendicular approach to inclines or downhills. In the case of driving up a steep sand dune, many would simply "dig-in" and get stuck.

Sandrails are ultra lightweight vehicles often weighing in at 800 and 1500 pounds (≈363 and ≈680 kg). They typically use high flotation smooth or farm implement front tires and special rear paddle tires, allowing it to skim over the surface of the sand without getting stuck. A sandrail has a low center of gravity, permitting it to make tight turns even on the face of a sand dune.

Sandrail frames are built from a tubular space frame chassis that incorporates an integrated roll cage. The distinction between a sandrail and dune buggy or sand car is that the sandrail will rarely have windows, doors, fenders, or full body panels. The sandrail will also be a lighter weight vehicle compared to the sandcar. On most sandrails, the engine is typically at the rear. Some sandrails also use a mid-engine configuration. This design offers favorable weight distribution and traction, which is very desirable for dune "hill-climbing".

Engines and fuel

[edit]

Originally becoming popular in the 1960s, sandrails used lightweight air-cooled engines like the Volkswagen engine from the VW Beetle and Porsche (~200 pounds) or the Chevrolet Corvair, Mitsubishi Minica and Cosworth DFV (~350 pounds). Because of the availability of affordable parts, the Volkswagen engine continues to be the mainstay of many sandrails today. At some point in the late 1970s in the wake of the Ford Pinto product liability cases, the first alternative engine was sourced from the Pinto, primarily the 2.0L and 2.3L. More recently, some enthusiasts have turned to lighter weight water-cooled engines such as the Subaru boxer or GM Ecotec engines.^[4]

The need for more power comes from necessity and desire when driving in steep sand dunes. This has driven sandrail engine builders to add performance features to engines such as the stock (24 to 50 horse power) Volkswagen engine. These include: larger pistons, turbochargers, dual racing carburetors, fuel injection, and high performance cylinder heads. Some performance engines can run on premium unleaded gasoline. However, many high performance engines must use racing fuel or fuel additives. A high performance sandrail Volkswagen engine can produce well into the 170-200+ horse power range and as high as 700 horse power with methanol fuel.^[5]

Most sandrails use a manual transmission, although automatic transmissions are used as well.^{[6][page needed]}

Accessories

[edit]

Early sandrails often consisted of little more than a steering wheel, brakes and accelerator. However, today an entire industry is built around all kinds of accessories such as HID and LED headlamps, radios, passenger communications headsets and GPS navigation devices.

Other applications

[edit]

Some states in the USA, such as Arizona and Utah, allow the registration of sandrails and other primarily off-road vehicles for "on-road" use. In these states, sandrails registered for on-road use usually must meet the minimum insurance coverage required by normal vehicles.^[7] Additionally, they may require modifications to be road worthy. These requirements typically include a wind shield, turning signals, and license plate. These requirements may vary by state.

Sandrails have been employed by US state authorities, the United States Border Patrol and even the military. They are still in use today by the Navy SEALs. The military design of these vehicles is based on the Chenowth Advanced Light Strike Vehicle model and have been modified for a third seat above the engine to control a .50 caliber machine gun and other armaments. State authorities, such as rangers at sand dune parks sometimes employ sandrails, removing the passenger seat to convert the sandrail into a makeshift ambulance with a stretcher.

Although sandrails are primarily designed for the sand, they have been successfully used on "soft pack" dirt, mud and even snow. Some of these types of applications usually require the use of off-road type tires versus "sand" tires. They are typically not well suited for rocky terrain due to their mostly limited suspension and lighter duty frames.

Safety

[edit]

Accidents most often occur in collisions with other off-road vehicles, and are frequently the result of not being seen. In many dune areas, all sand vehicles (motorcycles, quads, sandrails, UTVs and sandcars) are required to use an eight-foot antenna whip and flag. This is critical to being seen by other vehicles as a driver traverses from one dune to the next.^[8] Most sandrails employ a variety of safety features for the driver and passengers. The most common is the use of a three-point safety belt system. Many sand rails also utilize roll bar padding and fire extinguishers. More advanced safety features sometimes include: arm and wrist restraints, netting for large frame openings, automatic fuel cut-off switches and horns. Additionally, the use of eye protection (goggles and ballistic-grade glasses) is considered a necessity. Finally, the use of helmets while "duning" is increasing due to the advances in performance. Sand associations along with state and federal land management agencies work to provide dune safety information through pamphlets, online and in classes.

Future, industry and associations

[edit]

Due to its economical cost to build and maintain, access to new parts and good balance between weight and power, the sandrail continues to be used by many enthusiasts today.^[9] However, the heavier and typically more powerful sandcar now represents another style for duners.^[1] This style often employs mammoth cars weighing several thousand pounds and using highly advanced suspension systems and transmissions coupled with large performance V8 engines such as the latest GM LS engine series, Ford Coyote engine series or Range Rover engine series.

Associations such as ASA hold events throughout the year in some parts of the country for sand racing and hill climbing. Additionally, these associations provide representation for enthusiasts with legislators and land management officials.

References

[edit]

1. ^ ^{a b} Brandt, Marlin (February 18, 2012). "Informal survey of 100 people at Dumont Dunes 2012".
2. ^ Hibbard, Jeff (1983). Baja Bugs & Buggies. HP books. pp. 2–3. ISBN 978-0-89586-186-3.
3. ^ Dune Buggy History. "Dune Buggy History". Dune Buggy Archives.
4. ^ Sand Sports Magazine. July–August 2012. cite journal: Missing or empty |title= (help)
5. ^ All About Performance VW Engines #3 (Summer): 12–13. 2011. cite journal: Missing or empty |title= (help)
6. ^ Hibbard, Jeff (1983). Baja Bugs & Buggies. HP Books. ISBN 978-0-89586-186-3.
7. ^ "Arizona Department of Transportation".
8. ^ "CA Dune Safety Regulations".
9. ^ Hot VW Magazine. March 2011. cite journal: Missing or empty |title= (help)

External links

[edit]

Look up sand rail, sand-rail, or sandrail in Wiktionary, the free dictionary.

Wikimedia Commons has media related to Sandrails.

• Links and information on sand dunes in the United States and worldwide
• Important sand dune enthusiast links
• American Sand Association
• Online forum for the dune buggy and sand rail enthusiast

Activity of driving on unsurfaced roads or tracks

This article may contain original research. Please improve it by verifying the claims made and adding inline citations. Statements consisting only of original research should be removed. (May 2009) (Learn how and when to remove this message)

The examples and perspective in this article may not represent a worldwide view of the subject. You may improve this article, discuss the issue on the talk page, or create a new article, as appropriate. (April 2013) (Learn how and when to remove this message)

This article has multiple issues. Please help improve it or discuss these issues on the talk page. (Learn how and when to remove these messages)

(Learn how and when to remove this message)

Off-roading is the act of driving or riding in a vehicle on unpaved surfaces such as sand, dirt, gravel, riverbeds, mud, snow, rocks, or other natural terrain. Off-roading ranges from casual drives with regular vehicles to competitive events with customized vehicles and skilled drivers.^[1]

Off-road vehicle

[edit]

Main article: Off-road vehicle

Off-road vehicles are either capable of or specifically developed for off-road driving. These vehicles often have features designed specifically for use in off-road conditions such as suspension lifts, off-road tires, skid plates, snorkels, roll cages, or strengthened drivetrains.^[2][3]

Tools

[edit]

• Recovery board
• High lift jack
• Snatch strap

Types of recreational off-roading

[edit]

Dune bashing

[edit]

Dune bashing is a specific form of off-roading performed on sand dunes.^[4]

Dune Buggies, Sport-utility vehicles, and ATVs are often used.^[5] Vehicles driven on sand dunes are often equipped with a roll cage for safety in the case of an overturn. The tire pressure is often reduced to gain more traction by increasing the footprint of the tire and lowering the ground pressure of the vehicle on the sand, comparable to a person wearing snowshoes to walk on snow without sinking.^[6] Some cars are equipped with beadlock wheels, which allow tire pressure to be lowered even further without risking separation of the tire and rim.

Upon entering the desert, it is customary for drivers to meet with a pack of other vehicles and a group leader before proceeding. The group leader then leads the pack through the stunts in a single file line. The rationale for this technique is to prevent drivers from becoming disoriented and getting lost.^[6]

Off-road racing

[edit]

High-speed racing in the desert includes chases and racing at maximum speed through rough desert terrain with numerous pots and bumps. Drivers often use rear-wheel drive and 4-wheel drive trucks with long-travel suspension and wide stance between the front enlarged tires, which maintains optimal stability at high speed. These types of trucks are often called Trophy trucks or PreRunners.^[7]

Rock racing involves driving over rocks, but unlike rock crawling, does not specify penalties for striking cones, backing up, or winching.^[8] In addition, rock racing incorporates a level of high-speed racing that is not characteristic of rock crawling.

See article: Rally

Rallying is a wide-ranging form of motorsport with various competitive motoring elements such as speed tests (sometimes called "rally racing" in United States), navigation tests, or the ability to reach waypoints or a destination at a prescribed time or average speed. Rallies may be short in the form of trials at a single venue, or several thousand miles long in an extreme endurance rally.

Depending on the format, rallies may be organised on private or public roads, open or closed to traffic, or off-road in the form of cross country or rally-raid. Competitors can use production vehicles which must be road-legal if being used on open roads or specially built competition vehicles suited to crossing specific terrain.

In most cases rallying distinguishes itself from other forms of motorsport by not running directly against other competitors over laps of a circuit, but instead in a point-to-point format in which participants leave at regular intervals from one or more start points.

Mudding is off-roading through an area of wet mud or clay, leading to extremely low traction and problems with moving forward.^[9] The goal is to drive as far as possible without getting stuck.^[10] There are many types of tires that are often used for this activity, including balloon tires, mud-terrain tires and paddle tires. The activity is popular in the United States, although it is illegal on public land due to the environmental impact.^[11]

Mud plugging, as practiced in the United Kingdom, refers to the motorsport of classic trials, where the main objective is to complete a challenging course of (mostly unpaved) roads and (often muddy, and frequently uphill) off-road terrain.^[12]

This form of motorsport is one of the oldest to survive to this day, dating back at least to the 1920s.^[13]

Rock crawling involves driving over rocky terrain, with the goal of getting as far as possible with the fewest penalties. Penalties are received for striking cones, using a winch to get unstuck, going out of bounds, and going in reverse. These rules lead to the sport being technical, with drivers having to plan ahead to reduce the penalties they receive. Vehicles used for rock crawling are usually modified with different tires, suspension components that allow greater axle articulation, and changes in the differential^[14] gear ratio to obtain characteristics suitable for low-speed operation for traversing obstacles. Commonly, rock crawlers have a "spotter", who is an assistant on foot by the vehicle to provide information about areas out of the driver's field of view.^[15]

All progress is made at low speed and the emphasis is on skill rather than on finishing first, although trialing can be highly competitive. There are three traditional forms of off-road trialing. During some competitive events, such as the Turkey Run in Idaho and other events around the United States, point systems may be used to determine rewards.

RTV (Road Taxed Vehicle) trialing is the most common form of trialing. As the name suggests, it is for vehicles that are road-legal (and thus required to pay road tax). This excludes vehicles that are highly modified or specially built. RTV-class vehicles can carry a wide range of suspension modifications, as well as off-road tires (provided they are road-legal), recovery winches, raised air intakes, etc. Vehicles on RTV trials are usually best described as "modified from standard"—they use the standard chassis, drive-train, and body that the vehicle was built with, but are fitted with a wide array of modifications to assist in the trailing. Whilst modification is not necessarily required for an RTV trial, at the very least the vehicle would be expected to have some underbody and over-the-body protection such as skid plates or roll cages, often made from durable stainless steel, aluminium or mild steel. RTV courses are intended to be non-damaging and driven at little more than a walking pace and a course properly laid out would be drivable without damage. However, the terrain usually includes steep slopes, water, side slopes, deep ruts, and other obstacles that could potentially damage a vehicle if mistakes are made or poor driving techniques are used. As such, the use of modifications can increase the chances of success.^[16]

RTV trials usually take place on farmland, a quarry site, or at a dedicated off-road driving center and are usually organized by a dedicated trialing body (such as the All-Wheel Drive Club or the Association of Land Rover clubs in the UK, or by a vehicle owner's club. The course consists of 10 to 12 "gates" marked by two garden canes (sticks) and are vertically placed. The gates are just wide enough to get a standard vehicle through. Vehicles start in a stagger, proceeding one by one, and are deemed to have cleared a gate if at least one of the front wheel hubs passes between the canes. The vehicle's attempt ends when it comes to a stop (depending on the exact level of skill the trial is aimed at any stopping may end the attempt, or a few seconds may be allowed). Long-wheelbase vehicles are usually allowed to perform a three-point turn if needed, providing the driver declares where the turn is going to be made before they attempt the course (this puts a strong emphasis on ground-reading ability). This can also be called a "shunt", where the driver has to attempt a gate and then shout "shunt". They are then allowed a space of one and a half car lengths to reverse and line the car better to enter through the gate^[17]

The course between the gates is a "section": between the start line and the first gate is "Section 1", the part between the first and second gates is "Section 2" and so on. An RTV course is often laid out so that each section is progressively more difficult, although this is not always the case. If a driver fails to complete Section 1 they are given 10 points. If the attempt ends in Section 2, 9 points are awarded, etc. A clear round results in gaining only 1 point. A day's event will consist of many different courses and the driver with the lowest score is the winner.

Since the terrain covered in RTV trials should be well within the capabilities of any reasonably capable vehicle (even in standard form), these trials emphasize driver skill and ground-reading abilities. Skill and experience have a larger bearing on success than having a well-equipped and modified car.

This section does not cite any sources. Please help improve this section by adding citations to reliable sources. Unsourced material may be challenged and removed. (October 2023) (Learn how and when to remove this message)

Cross Country Vehicle (CCV) trialing is the next step up from RTV trialing and is open to non-road-legal vehicles, which greatly increases the scope for modification. The terrain covered will be of greater difficulty than that found on an RTV trial. Since there is a risk of touching rocks and trees with the bodywork,^[18] CCV trialing will usually require more careful use of speed to get the vehicle across certain obstacles will attempting to mitigate the risk of vehicle damage. Whilst no trial is intended to be vehicle-damaging, mistakes and accidents are inevitable. A standard-specification vehicle would not be expected to be able to complete a CCV course, but it would still be possible.

The event is run along the same lines as RTV, with a course made up of cane-marked gates.

CCV trialing differs greatly from RTV trials in the vehicles used. Since CCV judges adopt an "anything goes" attitude, CCV trials rely on having the correct vehicle to a much greater extent than in an RTV trial. Competitors can design and build vehicles that are much more optimized for off-road use, than in the lower ranks of trialing. CCV vehicles have powerful engines, high ground clearance, light, minimalist bodywork, and good approach and departure angles. For many years, in the UK, the ultimate CCV vehicle could be built by taking the chassis of a Range Rover, removing the body, cutting the chassis down to an 80-inch wheelbase, and attaching it to the body of a Series I Land Rover, retaining the Range Rover's V8 engine and coil-spring suspension in a light, maneuverable body. In recent years, the value of early Land Rovers and Range Rovers has risen to the extent that this is no longer practical. CCV trailers now usually base their vehicles around Land Rover Defenders or a standard 100-inch chassis from a Range Rover or Series I Discovery. The Suzuki SJ series of vehicles also make good bases for CCV-spec vehicles. Some vehicles are specially built, taking the form of light "buggies" with tractor tires and "fiddle" brakes (fiddle brakes give the ability to lock a wheel, which enables much better turning, better control descending hills, traction control by slowing or locking the spinning wheel) for the best performance.

Vehicles are required to meet certain safety regulations. Roll-cages must be fitted and be built to a suitable standard, recovery points must be fitted front and rear and fuel tanks must meet certain standards. A 4-point harness for all occupants is required and a fire extinguisher is recommended.

This section does not cite any sources. Please help improve this section by adding citations to reliable sources. Unsourced material may be challenged and removed. (October 2023) (Learn how and when to remove this message)

In some countries off-road activities are strictly regulated, while others promote cross-country off-road endurance events like the Dakar Rally, Spanish Baja, Africa Eco Race, Abu Dhabi Desert Challenge, Russian Baja Northern Forest, King of the Hammers, San Felipe 250 and Baja 500 & 1000, which are a test of navigation skills and machine durability. Off-road parks and motocross tracks also host several events and may be the only legal place to off-road in the area.

Off-road vehicle use on public land has been criticized by some members of the U.S. government^[19] and environmental organizations including the Sierra Club and The Wilderness Society.^[20][21] They have noted several consequences of illegal ORV use such as pollution,^[22] trail damage, erosion, land degradation, possible species extinction,^[23] and habitat destruction^[24][25] which can leave hiking trails impassable.^[26] ORV proponents argue that legal use taking place under planned access along with the multiple environment and trail conservation efforts by ORV groups will mitigate these issues.^[27] Groups such as the BlueRibbon Coalition advocate for the responsible use of public lands for off-road activities.^[28]

Noise pollution is also a concern^[29] and several studies conducted by Montana State University, California State University, University of Florida and others have cited possible negative behavioral changes in wildlife as the result of some ORV use.^[30]

Some U.S. states have laws to reduce noise generated by off-road and non-highway vehicles. Washington is one example: "State law requires off-road and other non-highway vehicles to use specified noise-muffling devices (RCW 46.09.120(1) (e) maximum limits and test procedures). State agencies and local governments may adopt regulations governing the operation of non-highway vehicles on property, streets, or highways within their jurisdiction, provided they are not less stringent than state law (RCW 46.09.180 regulation by local political subdivisions)".^[31]

The U.S. Bureau of Land Management (BLM) supervises several large off-road vehicle areas in California's Mojave Desert.

In 2009, U.S. District Judge Susan Illston ruled against the BLM's proposed designation of additional off-road use on designated open routes on public land. According to the ruling, the BLM violated its regulations^[32] when it designated approximately 5,000 miles (8,000 km) of off-road vehicle routes in 2006.^[33] According to Judge Illston the BLM's designation was "flawed because it does not contain a reasonable range of alternatives" to limit damage to sensitive habitat, as required under the National Environmental Policy Act.^[34] Illston found that the Bureau had inadequately analyzed the route's impact on air quality, soils, plant communities and sensitive species, such as the endangered Mojave fringe-toed lizard, pointing out that the United States Congress has declared that the California Desert and its resources are "extremely fragile, easily scarred, and slowly healed".^[34]

The court also found that the BLM failed to follow route restrictions established in the agency's conservation plan, resulting in the establishment of hundreds of illegal OHV routes during the previous three decades.^[32] The plan violated the BLM's regulations, specifically the Federal Land Policy and Management Act of 1976 (FLPMA) and the National Environmental Policy Act of 1969 (NEPA).^[33] The ruling was considered a success for a coalition of conservation groups including the Friends of Juniper Flats, Community Off-road Vehicle Watch, California Native Plant Society, The Center for Biological Diversity, The Sierra Club, and The Wilderness Society who initiated the legal challenge in late 2006.^[34]

Many U.S. national parks have discussed or enacted roadless rules and partial or total bans on ORVs. To accommodate enthusiasts, some parks like Big Cypress National Preserve in Florida, were created specifically for ORVs and related purposes. However, such designations have not prevented damage or abuse of the policy.^[35]

In 2004, several environmental organizations sent a letter to Dale Bosworth, Chief of the United States Forest Service, and described the extent of damage caused by ORV use, including health threats to other people:

It is well-established that the proliferation of off-road vehicles and snowmobile use places soil, vegetation, air and water quality, and wildlife at risk through pollution, erosion, sedimentation of streams, habitat fragmentation and disturbance, and other adverse impacts to resources. These impacts cause severe and lasting damage to the natural environment on which human-powered and equestrian recreation depends and alter the remote and wild character of the backcountry. Motorized recreation monopolizes forest areas by denying other users the quiet, pristine, backcountry experience they seek. It also presents safety and health threats to other re-creationists.^[36]

In 2004 the Supreme Court Justice Antonin Scalia listed several problems that result from ORV use in natural areas. From the Environmental News Service article:

Scalia noted that off-road vehicle use on federal land has "negative environmental consequences including soil disruption and compaction, harassment of animals, and annoyance of wilderness lovers.^[37]

Several environmental organizations, including the Rangers for Responsible Recreation, are campaigning to draw attention to a growing threat posed by off-road vehicle misuse and to assist overmatched land managers in addressing ORV use impacts.^[38] These campaigns in part have prompted congressional hearings about the growing impact of unmanaged off-road vehicle use.

The House Natural Resources Committee Subcommittee on National Parks, Forests and Public Lands held an oversight hearing on "The Impacts of Unmanaged Off-Road Vehicles on Federal Land" on March 13, 2008.^[39] A second hearing on off-highway vehicle (OHV) management on public lands was held by the Senate Energy and Natural Resources Committee on June 5, 2008.^[40] The Senate committee hearing was convened to find out why the agencies are failing to grapple with the negative impacts of off-road vehicle use on US public lands and what the agencies might need to start doing differently. For the first time in perhaps a decade, members of the Senate Energy and Natural Resources Committee grilled leaders of the Forest Service and the BLM about why off-road vehicle use is being allowed to damage America's national treasures.

Taking center stage in the discussion was the "travel planning process", a complex analysis and decision-making procedure to designate appropriate roads and trails. Both the Forest Service and BLM have been engaged in somewhat similar travel planning processes now for years, but some of the committee members didn't seem to think those processes were going along so well. "The BLM has identified travel management on its lands as ‘one of the greatest management challenges’ it faces," stated committee Chairman Jeff Bingaman, D-NM. "Likewise, the Forest Service has identified unmanaged recreation — including ORV use — as one of the top four threats to the management and health of the National Forest System. Despite these statements, it seems to me that neither agency has been able to successfully manage off-road use."

"Existing rules for managing off-road vehicles are not being enforced," Bingaman added, and the agencies are ignoring unregulated use "with significant consequences for the health of our public lands and communities, and adverse effects on other authorized public land uses."

• Off-Road Vehicle Damage
• 
  Negative environmental effects caused by a motorcycle to a portion of the Los Padres National Forest
• 
  Damage that occurred when vehicles left the posted trail in Anza-Borrego Desert State Park

Video games that allow users to off-road include Forza Horizon, Dirt Series, MudRunner, Grand Theft Auto V, Dakar Desert Rally, and the MotorStorm series.

• All-terrain vehicle
• Amphibious vehicle
• Approach and departure angles
• Baja Bug
• Breakover angle
• Dirt Bike
• Dual-sport motorcycle
• Game viewer vehicle
• Mountain bike
• Mud bogging
• Overlanding
• Ramp travel index
• Ride height
• Side-by-side
• Trophy truck

• Environmental Hazards of Dune Bashing

Wikivoyage has a travel guide for Offroad driving.

Media related to Off-roading at Wikimedia Commons

• Man-made erosion, The National Trust (UK)