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57-688: Road Runner Express is a steel junior roller coaster at Six Flags Magic Mountain in Valencia , California . On November 4, 2010, Six Flags had an investor meeting webcast where they released the new name for the kid's coaster and location in Bugs Bunny World . By April 2011, the entire coaster has finished construction on site. The ride opened on May 28, 2011, for Memorial Day Weekend . Road Runner Express originally opened at Jazzland in New Orleans on May 20, 2000. It operated under

114-532: A basis, LaMarcus Adna Thompson began work on a gravity Switchback Railway that opened at Coney Island in Brooklyn , New York , in 1884. Passengers climbed to the top of a platform and rode a bench-like car down the 600-foot (183 m) track up to the top of another tower where the vehicle was switched to a return track and the passengers took the return trip. This track design was soon replaced with an oval complete circuit. In 1885, Phillip Hinkle introduced

171-443: A bracket came off the top of the ride and hit a woman in the head while she was waiting in line. The woman did not die, and she reached a settlement with Cedar Point amusement park in 2023. The ride was subsequently refurbished and modified, and it reopened in 2024 as Top Thrill 2 . Kingda Ka closed on November 10, 2024. Superman: Escape From Krypton , a 415-foot (126 m) coaster, opened in 1997 at Six Flags Magic Mountain . It

228-435: A complete circuit in which trains depart from and return to the same loading station . One variation, a shuttle roller coaster , reverses at some point throughout the course of the ride to traverse the same track backwards. The oldest roller coasters are believed to have originated from the so-called "Russian Mountains", specially constructed hills of ice located in the area that is now Saint Petersburg, Russia . Built in

285-604: A dozen imitators, but their popularity soon declined. However, during the Belle Epoque they returned to fashion. In 1887, Spanish entrepreneur Joseph Oller , co-founder of the Moulin Rouge music hall, constructed the Montagnes Russes de Belleville , "Russian Mountains of Belleville" with 656 feet (200 m) of track laid out in a double-eight, later enlarged to four figure-eight-shaped loops. In 1827,

342-405: A lift hill, however. A train may also be set into motion by a launch mechanism such as a flywheel, linear induction motor (LIM), linear synchronous motor (LSM), hydraulic launch, or drive tire. Some launched roller coasters are capable of reaching greater speeds using less track when compared to traditional coasters that rely on a conventional lift hill. A brake run at the end of the circuit

399-402: A little carriage and one stands behind, for more there are in it the greater the swiftness with which it goes; it runs on castors and in grooves to keep it on its right direction, and it descends with a wonderful rapidity. Under the hill, is a machine worked by horses for drawing the carriages back again, with the company in them. Such a work as this would have been enormous in most countries for

456-552: A mining company in Summit Hill, Pennsylvania constructed the Mauch Chunk Switchback Railway , a downhill gravity railroad used to deliver coal to Mauch Chunk, Pennsylvania – now known as Jim Thorpe . By the 1850s, the "Gravity Road" (as it became known) was selling rides to thrill seekers. Railway companies used similar tracks to provide amusement on days when ridership was low. Using this idea as

513-427: A new era of roller coaster enthusiasm, which led to a resurgence across the amusement park industry over the next several decades. There are several explanations for the name roller coaster . It is said to have originated from an early American design where slides or ramps were fitted with rollers over which a sled would coast. This design was abandoned in favor of fitting the wheels to the sled or other vehicles, but

570-448: A new theme based on DC Comics superhero sidekicks, the park opted for simplicity and would name the coaster Road Runner Express . Two days later, Six Flags Magic Mountain confirmed that the kid's coaster would be called Road Runner Express and that it would open on March 19, along with the revamped Superman: Escape from Krypton . However, the construction of the ride was delayed forcing the opening day to be bumped back. On April 25, 2011,

627-406: A ratchet and pawl. When riding a roller coaster with a ratchet and pawl system, the sound of clicks can be heard when pulling down the restraint. Hydraulic restraints use a piston and cylinder. Unlike mechanical restraints, there is no feeling of physical or sound of clicks from the restraint being locked in place. Most modern day roller coasters have sensors that are used to make sure each restraint

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684-544: A ride. Also, "In a typical year, more than 385 million guests enjoyed in excess of 1.7 billion rides at approximately 400 North American fixed-site facilities". IAAPA is required to report annual ride incidents to the National Safety Council. Roller coasters are divided into two main categories: steel roller coasters and wooden roller coasters . Steel coasters have tubular steel tracks, and compared to wooden coasters, they are typically known for offering

741-446: A roller coaster's computer system. Multiple PLCs work together to detect faults associated with operation and automate decisions to engage various elements (e.g. lift, brakes, etc.). Periodic maintenance and visual inspection by ride engineers are also important to verify that structures and materials are within expected wear tolerances and functioning correctly. Effective operating procedures further enhance safety. Roller coaster design

798-477: A smoother ride and their ability to turn riders upside-down. Wooden coasters have flat steel tracks, and are typically renowned for producing "air time" through the use of negative G-forces when reaching the crest of some hill elements. Newer types of track, such as I-Box and Topper introduced by Rocky Mountain Construction (RMC), improve the ride experience on wooden coasters, lower maintenance costs, and add

855-407: A train attempts to enter an occupied block, the stopping mechanisms in all blocks are engaged. Restraints are another critical aspect to roller coaster safety. Roller coasters usually have two different types: Over-the-shoulder-restraints and lap bar restraints. With both, either hydraulic or mechanical safety mechanisms are used within the restraints. Mechanical restraints use a system known as

912-430: A variety of different experiences. More focus is being placed on the position of riders in relation to the overall experience. Traditionally, riders sit facing forward, but newer variations such as stand-up and flying models position the rider in different ways to change the experiences. A flying model, for example, places riders lying down and facing forward with their chests and feet strapped in. Other ways of enhancing

969-455: A wood track and steel structure. Other older examples include mine train roller coasters , many of which were built by Arrow Dynamics . The term hybrid became more prominent after the introduction of New Texas Giant at Six Flags Over Texas in 2011. Many in the industry, however, continue to classify coasters strictly by their track type only, labeling them either steel or wood. Modern roller coasters are constantly evolving to provide

1026-487: Is a type of roller coaster classified by its steel track , which consists of long steel tubes that are run in pairs, supported by larger steel columns or beams. Trains running along the track typically rely on wheels made of polyurethane or nylon to keep each train car anchored to the track. The introduction of tubular steel drastically changed roller coaster innovation, allowing for greater speeds, higher drops, and more intense elements such as inversions . Arrow Dynamics

1083-408: Is about five or six feet lower, just sufficient to allow for the friction and resistance; and so on to the last, from which they are conveyed by a gentle descent, with nearly same velocity, over a piece of water into a little island. These slides, which are about a furlong and a half in length, are made of wood, that may be used in summer as well as in winter. The process is, two of four persons fit in

1140-458: Is another important aspect that requires a working knowledge of basic physics to enhance ride comfort and avoid harmful strain to the rider. Ride designers must carefully analyze the movement a ride subjects its riders to, ensuring it is within a reasonable tolerance. The human body needs sufficient time to react to sudden changes in force in order to control muscle tension and avoid harmful consequences such as whiplash . Designers typically stay in

1197-744: Is credited with inventing tubular steel track and introducing the first modern steel coaster with the opening of Matterhorn Bobsleds at Disneyland in 1959. Older steel-tracked coasters existed previously in a simpler form, such as Little Dipper at Memphis Kiddie Park in Brooklyn, Ohio , which is the oldest operating steel coaster in North America. The oldest in the world is Montaña Suiza at Parque de Atracciones Monte Igueldo (Spain), which has been operating since 1928. There are various types of steel coaster models and designs, including flying , inverted , floorless , and suspended . Roller coaster Tracks are typically built and designed as

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1254-404: Is locked. If all the restraints are locked, it will send a signal to the ride computer letting it know that it is clear for dispatch. If all restraints are not locked, the train will not be able to move out of the station until each restraint is locked. Braking systems such as pivoting pawls are used on the bottom of the train and on the inclined lift hill. While the cart goes up the lift hill, it

1311-415: Is not typically classified as a strata coaster due to its shuttle coaster design, where trains do not travel a complete circuit. An exa coaster is a type of roller coaster with a height or drop of at least 600 feet (180 m). The term exa was first introduced by Intamin for Falcon's Flight, a 640-foot (200 m) coaster expected to open at Six Flags Qiddiya in 2025. Upon completion, it will be

1368-525: Is referred as "mountain-and-valley railway". German has the word Achterbahn , stemming from Figur-8-Bahn , relating to the form of the number 8 ( acht in German). This is similar to the Dutch Achtbaan , in which acht also means "eight". Roller coaster trains are not typically powered. Most are pulled up a lift hill by a chain or cable and released downhill. The potential energy accumulated by

1425-518: Is the most common method of stopping a roller coaster train as it returns to the station. One notable exception is a powered roller coaster , which instead of relying on gravity uses one or more motors to propel the trains along the course. In 2006, NASA announced that it would build a system using principles similar to those of a roller coaster to help astronauts escape the Ares I launch pad in an emergency, although this has since been scrapped along with

1482-401: Is usually pulled by a chain. The pawl moves over bumps that are separated closely apart. In the event that the train ever becomes disconnected from the chain, the anti roll-back system will engage and it will fall back into the nearest downhill stop preventing the train from falling down the lift hill. Another key to safety is the programmable logic controller (PLC), an essential component of

1539-706: The Catherine Park . Two roller-coasters were built in France in 1817. Les Montagnes de Belleville ( Les Montagnes Russes à Belleville ) in Belleville, Paris had wheels attached to carriages and locked on tracks. The Promenades Aériennes , opened in Parc Beaujon in Paris on July 8, 1817 had wheeled cars securely locked to the track, guide rails to keep them on course, and higher speeds. It spawned half

1596-499: The kiddie coaster , is a roller coaster specifically designed for younger riders. Following World War II, parks began pushing for more of them to be built in contrast to the height and age restrictions of standard designs at the time. Companies like Philadelphia Toboggan Company (PTC) developed scaled-down versions of their larger models to accommodate the demand. These typically featured lift hills smaller than 25 feet (7.6 m), and still do today. The rise of kiddie coasters soon led to

1653-565: The 17th century, the slides were built to a height of between 21 and 24 m (70 and 80 feet), had a 50-degree drop, and were reinforced by wooden supports. Later, in 1784, Catherine the Great is said to have constructed a sledding hill in the gardens of her palace at Oranienbaum in St. Petersburg. The Riding Mountain (a.k.a. La Grande Glisade ) entertainment pavilion designed by Bartolomeo Francesco Rastrelli for Tsarskoye Selo royal residence

1710-579: The Golden Age. This aside, roller coasters were still built with varying success from location to location. In May 1932, the Scene Railway witnessed somewhat of a revival in the UK, including the opening of the roller coaster at Great Yarmouth . Today it is one of only two scenic railways still in operation in the UK. In 1959, Disneyland introduced a design breakthrough with Matterhorn Bobsleds ,

1767-435: The ability to invert riders. A third classification type is often referred to as a hybrid roller coaster , which utilize a mixture of wood and steel elements for the track and structure. Many, for example, have a track made out of steel and a support structure made from wood. RMC has notably redesigned wood coasters that have either deteriorated from age or been deemed by parks as too costly to maintain. RMC often replaces

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1824-411: The banking of curves. Wheels are a critical part in rollercoaster design. The purpose of wheels is to keep the train on the track and to prevent it from flying off. A majority of roller coaster wheels are made from polyurethane. There are 3 kinds of roller coaster wheels which include road wheels, side friction wheels, and up-stop wheels. Road wheels ride on top of the track. Side friction wheels ride on

1881-559: The construction of Road Runner Express was complete and was expected to open for Memorial Day Weekend . The coaster officially opened on May 28, 2011. This resulted with the Road Runner and Wile E. Coyote theme, rockets on the roller blade-style train, and Arizona desert background. Guests board a train which seat 16 riders. The train is taken up using a drive tire system to a height of 9.1 metres (30 ft). 207 metres (679 ft) of twists, turns and elevation changes follow, before

1938-547: The development of "junior" models that had lift hills up to 45 feet (14 m). A notable example of a junior coaster is the Sea Dragon – the oldest operating roller coaster from PTC's legendary designer John Allen – which opened at Wyandot Lake in 1956 near Powell, Ohio. A hypercoaster , occasionally stylized as hyper coaster, is a type of roller coaster with a height or drop of at least 200 feet (61 m). Moonsault Scramble , which debuted at Fuji-Q Highland in 1984,

1995-416: The experience involve removing the floor beneath passengers riding above the track, as featured in floorless roller coasters . Unique track elements, such as new inversions, are often introduced to provide entirely new experiences. Several height classifications have been used by parks and manufacturers in marketing their roller coasters, as well as enthusiasts within the industry. One classification,

2052-503: The first full-circuit coaster with a lift hill , the Gravity Pleasure Road , which became the most popular attraction at Coney Island. Not to be outdone, in 1886 Thompson patented his design of roller coaster that included dark tunnels with painted scenery. "Scenic railways" were soon found in amusement parks across the county. By 1919, the first underfriction roller coaster had been developed by John Miller . Over

2109-432: The first permanent roller coaster to use a tubular steel track. Designed by Arrow Development , the tubular track was unlike standard rail design on wooden coasters, allowing the track to bend in sharper angles in any direction, leading to the incorporation of loops, corkscrews, and inversion elements into track layouts. A little more than a decade later, the immediate success of The Racer at Kings Island in 1972 sparked

2166-576: The first to use the term "roller coaster". The term jet coaster is used for roller coasters in Japan, where such amusement park rides are very popular. In many languages, including most Romance languages, the name refers to "Russian mountains". Conversely, in Russian, they are called "Американские горки" ( Amerikanskiye gorki , "American hills"). In the Scandinavian languages , the roller coaster

2223-485: The labour and expense in cost, as well as the vast quantity of wood used in it. At the same place, there is another artificial mount which goes in a spiral line, and in my opinion, for I have tried it also, is very disagreable; as it seems always leaning on one side, and the person feels in danger of falling out of seat. Katalnaya gora was dismantled in 1792–1795. Currently in its place is the Granite Terrace in

2280-493: The name Rex's Rail Runner in the Kid's Carnival section of the park. Six Flags took over the lease of Jazzland in 2002 and changed the park's name to Six Flags New Orleans the following year. The ride was renamed to Road Runner Express in the "Looney Tunes Adventures" section of the park. When Hurricane Katrina hit the park on August 29, 2005, severe flooding caused the park and its rides to shut down. In 2007, Six Flags began

2337-474: The name endured. Another explanation is that the phrase originated from a ride located in a roller skating rink in Haverhill , Massachusetts in 1887. A toboggan -like sled was raised to the top of a track which consisted of hundreds of rollers. This Roller Toboggan then took off down gently rolling hills to the floor. The inventors of this ride, Stephen E. Jackman and Byron B. Floyd, claim that they were

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2394-491: The next decade, roller coasters spread to amusement parks around the world and began an era in the industry often referred to as the "Golden Age". One of the most well known from the period is the historical Cyclone that opened at Coney Island in 1927. The onset of the Great Depression in the 1930s, however, significantly impacted the amusement park industry and brought an end to the rapid growth experienced during

2451-522: The northwest corner of the park but will likely receive a new name and theme." On November 4, 2010, Six Flags announced that the ride will not use the originally planned Mr. Six's Dance Coaster name and theme, but will operate from early May 2011 as Little Flash which is, themed to the DC Comics superhero sidekicks in Bugs Bunny World . On January 18, 2011, the LA Times reported after considering

2508-441: The process of moving rides from the park to their other properties. For example, Batman: The Ride was taken to Six Flags Fiesta Texas where it was refurbished and renamed Goliath in 2008. In 2008, Bayou Blaster and Sonic Slam were removed and taken to Great Escape where it was refurbished and renamed Sasquatch in 2009. In 2009, Road Runner Express was removed and relocated to Six Flags Magic Mountain. Road Runner Express

2565-430: The range of 4–6 Gs (40–60 m s ) as a maximum for positive g-force acceleration, which increases the feeling of weight and pushes riders downward into their seat. For negative g-force, or the feeling of weightlessness, the target is 1.5–2Gs (15–20 m s ) as a maximum. These fall into a range considered safe to a majority of the population. Lateral acceleration is also typically kept under 2Gs using various techniques including

2622-463: The rest of the Ares program . Some sources have shown concern over the ability of roller coasters to cause head trauma and serious injury such as the tearing of axons and damaging of blood vessels. A variety of safety mechanisms protect riders on roller coasters. One of these is the block system . Most large roller coasters have the ability to run two or more trains at once, and the block system prevents these trains from colliding. In this system,

2679-405: The ride comes to a halt in the brake run . Riders will reach a top speed of 40.2 kilometres per hour (25.0 mph) on the one-minute ride. The background blends in with the ride's Road Runner theming. The station is surrounded by rocks and Acme crates to decorate the area and Wile E. Coyote can be seen standing on top of some Acme crates. Steel roller coaster A steel roller coaster

2736-466: The rise in height is transferred to kinetic energy , which is then converted back into potential energy as the train rises up the next hill. Changes in elevation become smaller throughout the track's course, as some mechanical energy is lost to friction and air drag . A properly-designed, outdoor track will result in a train having enough kinetic energy to complete the entire course under a variety of stressful weather conditions. Not all coasters feature

2793-456: The side of the track to keep the train on the track throughout turns. Up-stop wheels ride below the track and prevent the train from lifting off the track. Roller coasters are statistically very safe when compared to other activities, but despite all the safety measures in place, accidents still occur. The International Association of Amusement Parks and Attractions (IAAPA) reports that a rider has one chance in 15.5 million of being injured on

2850-412: The term strata was first introduced by Cedar Point with the release of Top Thrill Dragster, a 420-foot-tall (130 m) roller coaster that opened in 2003. Kingda Ka was the second strata coaster, and it opened at Six Flags Great Adventure in 2005 as the tallest roller coaster in the world with a height of 456 feet (139 m). Top Thrill Dragster closed in 2021 following a serious incident in which

2907-410: The track is divided into two or more sections known as blocks. Only one train is permitted in each block at any given time. There is a section of track at the end of each block where a train can be stopped if necessary, such as preventing dispatch from the station, stopping a lift, or applying brakes. Sensors detect when a train passes so that the system's computer is aware of which blocks are occupied. If

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2964-409: The wood track with their patented steel I-Box track design, while reusing much of the ride's wooden structure, resulting in a smoother ride with the incorporation of new design elements, such as inversions, sharper turns, and steeper drops. Although the term wasn't widely used or accepted until the 21st century, one of the oldest examples is Cyclone at Luna Park , which opened in 1927. It features

3021-457: Was built in 1754–1757. In Russian it was known as Katalnaya gora (Катальная гора, literally "Mountain for riding") It was a huge building in the shape of rotunda . It had a trail with five hills which can be covered with ice in winter. In the summer time the trails used trolleys on wheels secured in the steel grooves mounted on the wooden trails. Due to a pendulum-like motion based on inertia all five hills could be traversed in one ride. The ride

3078-485: Was coined during the construction of the Millennium Force , a roller coaster built by Intamin on Cedar Point amusement park. Although Morgan and Bolliger & Mabillard have not used the term giga , both have also produced roller coasters in this class. A strata coaster is a type of roller coaster with a height or drop of at least 400 feet (120 m). As with the other two height classifications,

3135-551: Was dismantled and moved in 2009 to its current location at Six Flags Magic Mountain . The ride was due to open for their 2010 season under the name Mr. Six's Dance Coaster in the Cyclone Bay section of the park, however, the opening was delayed for a year. On August 3, 2010, the Los Angeles Times reported "the junior coaster will keep the current red and black color scheme and stay in the same planned location in

3192-415: Was engineered by Russian scientist Andrey Nartov . The Anglican clergyman John Glen King mentioned that some Englishmen visiting Russia called them "Flying Mountains" and described them as follows: You will observe that there are five mounts of unequal height: the first and the highest is full thirty feet perpendicular altitude; the momentum with which they descend this carries them over the second, which

3249-438: Was the first to break this barrier, though the term hypercoaster was first coined by Cedar Point and Arrow Dynamics with the opening of Magnum XL-200 in 1989. Hypercoasters have become one of the most predominant types of roller coasters in the world, now led by manufacturers Bolliger & Mabillard and Intamin . A giga coaster is a type of roller coaster with a height or drop of at least 300 feet (91 m). The term

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