What are noise stripes
Since this phenomenon on the roads is new to the Russian driver, you need to familiarize yourself with it in more detail. Noise strips are positioned as a cheaper alternative to speed bumps, the price of which is close to 200,000 rubles. This is quite a significant amount, especially for large cities with developed road infrastructure. The noise strip performs the same functions as a speed bump , but it is an order of magnitude cheaper.
What is the purpose
The function of the noise strip is simple - to force the driver to reduce speed and sharpen attention on a certain section of the road. This is achieved by applying stripes to the surface with a changed height relative to the road surface. As a result, the tires make a sound when they hit the markings, which the driver immediately pays attention to. The advantage of this invention is that, unlike the already familiar “speed bump”, it does not destroy the car’s suspension.
Application area
It is used in the same places where speed bumps were previously installed, on roads of increased danger for pedestrians and drivers themselves. Usually these are sections of the road with a reduced speed limit. For example, in front of children's institutions, schools, clinics, kindergartens, or before a sharp turn, a railway crossing, a sharp descent or ascent.
Traffic signs driving in lanes
Sometimes traffic rules signs make driving in lanes clearer and simpler, in other cases they make it more complicated. Problems arise more likely from those who do not know how to read them. What symbols can be used:
- 5.15.1. Indicates which of several lanes you can drive from it to the right, straight and to the left, from where you can turn around. The direction is easy to understand by the arrows.
- 5.15.2. There are several of these symbols. And each indicates one or two permitted directions. If the symbol is on the leftmost lane, it allows a turn in the same direction, under it you can change the trajectory by 180 degrees.
- 5.15.3. Shows the starting point of a new row for cars. The latter may be intended for braking or begin on an ascent. The symbol indicates an additional lane; traffic regulations require it to be used in different ways.
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If there is a speed limit on it, you cannot drive faster from here to the end of the coverage area. This usually happens in the braking zone. First they change lanes, only then reduce speed. If we are talking about an acceleration lane, they speed up the car on it, change lanes to the next one, not forgetting to let those who were already driving there pass.
- 5.15.4. It means the same as the previous symbol, but is installed where the central stripe begins (and there are two more on the sides).
- 5.15.5. Completes the acceleration section or climb.
- 5.15.6. It is installed where the central part of a three-lane road disappears.
- 5.15.7. Indicates which direction the movement is directed, and is necessary if there are more paths leading into one of them than towards them.
- 5.15.8. Shows the number of lanes and the speed limit for each.
The symbols may not be observed by public transport, but they are mandatory for everyone else.
Classification
There are many purposes for installing noise strips, which is why a special classification has emerged based on the type and method of their arrangement:
- Transverse. They are applied to the road surface crosswise - from one edge to the other. They are made with a slight bias towards the movement of cars, so that the wheel rolls over them smoothly, without impact. The height of such markings should not exceed 10 mm, the average height is 5 mm.
- Longitudinal. They are applied along the road surface, representing a dividing strip in the middle of the road or limiting the edge of the road surface closer to the side of the road.
- Regional Designed to warn the driver about leaving the edge of the road to the side of the road. Apply directly to the edge of the road surface.
- Axial. Represent the dividing strip. Its purpose is to warn the driver about entering oncoming traffic.
Barriers are more reliable
The use of noise markings will have a positive effect on road safety, but a barrier fence is still more reliable, experts say.
— Noise markings will be effective when the driver is in full control of the vehicle. If he can’t control the car, for example, something happened to the wheel, it won’t help the motorist adjust the position of the vehicle to avoid a head-on collision,” Dmitry Klevtsov, deputy head of the Federation of Car Owners of Russia, told Izvestia.
marking
Photo: IZVESTIA/Mikhail Tereshchenko
In any case, it is more advisable to install mechanical limiters, he believes.
It is justified to start using noise markings from dividing strips rather than roadsides: head-on collisions occur more often than driving into ditch, noted Vyacheslav Lysakov, First Deputy Chairman of the State Duma Committee on State Construction and Legislation. But a cable barrier provides the most effective protection: it returns the car to the lane more gently and does not break on the concrete. In addition, such delimiters are cheaper than concrete ones. Noise markings cost less than other options, followed by cable barriers, and the most expensive protection is concrete barriers, Vyacheslav Lysakov pointed out.
They want to narrow lanes on roads all over the country.
A draft preliminary national standard “Road markings” has been presented
World application experience
In countries that practice noise striping, accident rates have decreased significantly. For example, in the USA, accident rates on such highways have decreased by 85%. The reason for this result is that in this country the transportation of goods by road is extremely widely developed. Now heavy truck drivers do not fall asleep on the roads while driving for 10-12 hours at a time. Noise strips prevent trucks from leaving the road or driving into oncoming traffic.
The same effect is observed in Japan, where the appearance of noise strips on the roads has reduced the accident rate by 55%. In this case, the country is smaller compared to America, but it also has a lot of traffic on its regional routes.
A positive trend towards reducing road accidents is observed in European countries - Denmark, Sweden and Finland.
This trend is encouraging other countries to also use noise strips on their roads, which has a positive effect on reducing the number of accidents.
Pilot version
Sections with noise markings along the axis on dividing strips will appear on certain federal highways in 2021, Rosavtodor told Izvestia. It will be tested first on the M7 Volga in the Republic of Tatarstan, the R-22 Caspian between Moscow and Volgograd, in the Ural region on the M5 Ural, in Siberia on the R-258 Baikal and R-254 Irtysh. . But mainly it is planned to equip highways with such noise markings in the Southern and North Caucasus federal districts: there are many single-lane sections of roads and serpentines there, said a representative of the federal agency. Specific segments and mileage, according to him, have not yet been determined.
marking
Photo: IZVESTIA/Pavel Kassin
The markings will be applied on sections of roads where barrier or cable fencing cannot be installed. When entering such a marking, the car begins to shake, and the driver does not want to drive shaking, noted Dmitry Stavsky, head of the department of safety and traffic management of Rosavtodor. Cars often find themselves in the oncoming lane while overtaking. Rosavtodor expects that with the advent of markings, motorists will be motivated to maneuver in permitted areas.
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Noise markings are currently not used on federal highways. It is used by the Avtodor Group of Companies on the toll roads under its jurisdiction, not only on the median, but also on the edge strip. For example, it is applied on certain sections of the M1 Belarus highway in the Moscow region. Avtodor did not respond to Izvestia’s request.
Types and methods of application
Technology and material are selected depending on the tasks and purpose:
- Thermoplastic. This material is durable, adheres well to asphalt, and when tires hit it, it makes them sound much louder. This material is applied in blocks of 5 stripes at a time, 10 cm wide. Sometimes there are 4 elements in a block, 15 cm wide. In some cases, thermoplastic is applied in small, even drops arranged in a line of a given width and length. To make thermoplastic more visible on the road, it is painted yellow.
- Anti-slip coating. This material is a high friction paint. It is also applied in blocks of several lines 5 cm wide and the length required to completely cover the road surface.
- Road milling. This sound strip is obtained by sampling a part of the road surface using an industrial cutter. The equipment is installed on a special machine and the cutter is adjusted in such a way as to remove 10-20 mm of the top asphalt coating in areas 20-40 cm wide and 10-20 cm long. The result is an outwardly invisible strip of small holes across or along the road surface. When hit, the tires change their sound. The advantage is durability and external invisibility, so it is used where additional road markings are not needed at all or will interfere with drivers.
- Noise strip made of metal brackets. Such an element is installed on a road surface made of high-strength concrete. The brackets are recessed into the concrete at the stage of its installation, representing a line of small rectangular or round elements. Paint and thermoplastic do not adhere well to concrete surfaces, so milling or metal clamps are more appropriate.
- Light and noise strip. This combined marking is used on autobahns in Germany and other European countries. It consists of small metal rectangles with a reflective element on the surface. The bracket is attached to the road surface in such a way that it rises by approximately 5-7 mm. When hitting it, a characteristic hum and vibration is heard. In the dark, such a strip perfectly reflects light, making markings on the road visible. Such devices are usually used to mark a median on a road.
- Some US roads have music stripes. In this case, the plastic markings are applied in such a way that when a wheel hits it, the noise changes its tone. That is, one strip is 1-2 mm higher than the other, but this is enough to cause a simple melody by the hum of the tires. This works especially well if the markings are made of small plastic droplets. This effect is so unexpected that the driver who has dozed off behind the wheel instantly wakes up.
Easy to apply
On Avtodor highways, noise markings look like a lot of small speed bumps, while Rosavtodor suggests applying them using the milling method, when small pieces of asphalt are “cut”.
The process of creating noise markings is quite simple, the federal agency assures. But there are few companies with special equipment, and the wear life of such strips is short, an employee of one of the road contractors told Izvestia.
Photo: Ministry of Internal Affairs of the Russian Federation
Noise marking option
— The measure is effective from a safety point of view, but regional specifics must be taken into account: in most of Russia, the need for constant snow removal will make such coverage almost one-season. In addition, not all contractors have this technology due to the high cost of special equipment,” he explained.
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In Russian realities, the solution would be not universal, but zonal use of noise strips in potentially emergency areas where accidents most often occur, he concluded.
Band requirements
On Russian roads, noise stripes appear in accordance with GOST R52605-2006. They are applied along or across a canvas no less than 7 m wide. In the second case, the marking consists of 5-8 lines 10-15 cm wide, made of thermoplastic or by milling.
The choice of location is based on the accident rate of the road section, the presence of childcare facilities, the complexity of the intersection and a number of other characteristics. The decision to install a noise strip rests with the head of the district through which the road passes.
There are places on roads and highways where the installation of noise strips is not permitted:
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- bridges and overpasses, as well as sections of the road approaching them. The fact is that vibration of the road surface can cause resonant excitation and, as a result, destroy supporting structures;
- in areas of narrowing of the road surface;
- on a section of road 2 lanes wide, if overtaking is allowed on it;
- sections of the route at the junction of secondary roads or intersections with them;
- in the immediate vicinity of an intersection, especially after passing it. The minimum distance for the beginning of the noise strip after the intersection is 10 m;
- on roads with noise restrictions. The exception is tracks equipped with sound barriers in the form of fences and special shields.
In general, noise strips are liked by both drivers and organizations tasked with maintaining the road surface in working order. Their installation does not require blocking traffic and expending large resources. At the same time, the impact on the driving performance of the car, its components and mechanisms is minimal.
The procedure for establishing the right of way
The construction and operation of special tracks for a common and popular type of railway transport (even when designed on a map) implies compliance with established rules for security places.
On a note
The main one is the definition of special territories in the form of land plots. These include not only the strips along which sleepers and rails directly intended for the passage of trains pass.
According to a separate decision taken by the Government of the Russian Federation, approval requires coordination with the current legislation, SNiP developed to ensure the safety of structures and housing in a city or other locality, traffic safety rules, fire safety rules and the Land Code.
Recently, such a decision has been made not only on the basis of design and estimate documentation. They also take into account new provisions on establishing ownership of protected areas used by the owner - the provider of certain services or resources.
Standard right-of-way width
Railway rights-of-way include:
- security areas of direct deployment of railway tracks and plots adjacent to such branched or single networks;
- land plots for stations, drainage, strengthening, energy supply, as well as facilities necessary to ensure settlement, movement of goods and passengers, loading and unloading operations, warehousing, provision of services provided for by the functions;
- how many meters the railroad right of way is, can determine the presence of protective forest belts, fortification devices, and special structures to overcome difficult terrain;
- A reduction of such a strip, in the presence of additional security measures, is permissible when passing through valuable agricultural conservation zones or territories of important cultural and historical significance and protected by relevant laws.
Definition
Subtleties
Despite the external similarity of the concepts “railway right of way” and “sanitary zone of the railway,” which replace each other among incompetent informants, in special sources there are specific differences between the security zones. The railway right-of-way is established by design and estimate documentation and approved at the government level.
Driving in lanes when changing lanes
Changing from one lane to another before making a maneuver or crossing is a big challenge for some. After all, there is a danger of colliding with another car. In the traffic rules, lane movement and lane changes are regulated by clauses 8 and 9:
- If one car was driving and continues to move straight, and the second intends to turn, it is obliged to give way to the first. And only after that can it shift to the outer lane.
- Sometimes both cars are about to make a maneuver. This means that what is to the right of another vehicle has an advantage. First, this car is rebuilt, only after it the opponent performs the maneuver.
The rules apply regardless of whether the lanes are separated from each other by markings, or whether drivers have to determine them “by eye.” You just need to remember that without a dividing line, only an even number of them is possible (2, 4, but not 3).
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