What does a car ramp mean? What is a ramp?

I also asked our teacher about this question, and I understand that when you get out of the highway and enter the highway, you need to speed up the lane, and then enter the ramp, and the ramp is the buffer road that enters and exits the highway from the general highway, one-way, this is a personal understanding, and I will help you check the explanation. As follows:

The section of the road where the two roads up and down the overpass and the elevated road are connected, and also refers to the section of the highway that connects with the adjacent auxiliary road. The ramp of the elevated road, the entrance road and the exit road are separated, and you can only go down, and you are not allowed to make a U-turn, and if the vehicle misses the off-ramp, you cannot get off the road from the upper ramp, but only from the next off-ramp. The ramp of the overpass is also driven according to the set signs, and no one can go their own way.

Definition] A ramp, also known as an approach road, is an engineering term that usually refers to a short section of ancillary connecting road that provides vehicular access to a main road (expressway, viaduct, bridge, tunnel, etc.) and adjacent auxiliary roads, or other arterial roads. It is the main traffic construction that makes up the road interchange.

1.In a T-shaped (Y-shaped) interchange, the primary road that intersects is usually defined as the main line, the intersecting secondary road is defined as the leader, and the line connecting the leader to the main line is called a ramp.

Source: Card 1 system on interchange design drawings. Highway, 2003, Liu Qiujiang, Zhang Xiaoyuan.

2.The so-called "ramp" at an intersection refers to a single-lane and one-direction turning road set up at an interchange to connect the upper and lower lanes of the interchange. The curve elements of a ramp are also composed of straight segments, circular curve segments, and spiral segments.

Source: Application of total station in highway construction lofting Journal of Shandong Agricultural University (Natural Science Edition) 2001 Qiu Jianzhuang, Xie Mingdong, Wang Jifang.

3.**The three-dimensional intersection of the road, the connection of the line is made up of different kinds of curved linear connections, called ramps. Due to the various forms of ramps, it is very difficult to calculate the coordinates of the piles.

The author through practical operation. The method of dividing the curve into each curve element is explored to calculate the coordinates of the middle pile, so as to solve the problem of calculating the coordinates of the middle pile of various line types of the ramp.

Source: Coordinate calculation method of road ramp "Forest Engineering" 1999 Wang Bingsheng, Jiang Yingjie, Dong Yongjiang.

The connecting road that traffic Figure 1 generally adopts interchange type three-dimensional intersection J entering and exiting the expressway is called the ramp, and the smoothness of the entrance of the M road and the highway connection affects the safe driving of the vehicle, and here is also the difficulty and the focus of the highway tile design.

From: Several understandings of the three-dimensional intersection design of the expressway interchange "Zhongnan Highway Engineering" 1994 Xu Youding.

It is a detour entering a high speed and a left turn.

The ramp is an indispensable part of the interchangeable three-dimensional intersection, and it is a road for the intersection of the upper and lower levels. Whether the ramp design is reasonable or not is directly related to the play of the three-dimensional intersection function, the safe and smooth traffic, the economy of operation and the investment of the project. Therefore, according to the design basis of the heavy road, a reasonable arrangement should be made and an appropriate line shape should be used.

1. Definition of highway rampsA highway ramp is a road on the right side of the highway exit or entrance (usually 150-200 meters). A ramp, also known as an approach road, is an engineering term that generally refers to a short section of ancillary connecting road that provides vehicular access to a major expressway, elevated road, bridge, tunnel, etc.) and an adjacent auxiliary road, or a land bridge ramp approach link or distribution road of another main arterial road. It is the main traffic construction that makes up the road interchange.

This one is most clearly written.

It is the road of the entrance and exit of the expressway.

It is the upper and lower entrance of the elevated road, the upper entrance is usually called the upper on-ramp, and the lower entrance is usually called the lower on-ramp.

A ramps, also known as approach roads, is an engineering term. In a T-shaped or Y-shaped interchange, the main road that intersects is usually defined as the main line, the intersecting secondary road is defined as the leader, and the line connecting the leader and the main line is called a ramp. The ramp is an indispensable part of the interchangeable three-dimensional crossing, and the rationality of the ramp design is directly related to the three-dimensional intersection function, the safe and smooth traffic, the economy of operation and the investment of the project.

A ramp usually refers to a short section of ancillary connecting road that provides vehicular access to a major expressway, viaduct, bridge, tunnel, etc.) and adjacent auxiliary roads, or land bridges, ramps, lead roads, and distribution roads. It is the main traffic construction that makes up the road interchange.

Ramp classification. 1. Entry and exit ramps: the ancillary connection sections in and out of the main line can be "level crossing ramps" or "interchange ramps". It is the main traffic construction that makes up the road interchange.

2. On-ramp and off-ramps: ancillary connecting ramps for entering and exiting elevated roads and up or down vehicles, usually "interchange ramps". Note: The above two items (1 and 2) are usually added to the design of the distribution channel.

3. Direct ramps: Set the right turn lane on the right.

4. Non-direct ramps: set the left-turn lane on the right, and set up a loop to connect with other highways.

A highway ramp (zā) is a road on the right side of the exit or entrance of the expressway (usually at 150 200 meters). A ramp, also known as an approach road, is an engineering term that generally refers to a short section of ancillary connecting road that provides vehicular access to a major expressway, elevated road, bridge, tunnel, etc.) and an adjacent auxiliary road, or a land bridge ramp approach link or distribution road of another main arterial road. It is the main traffic construction that makes up the road interchange.

The entrance ramp is followed by the acceleration lane, and the exit ramp is immediately after the speed lane. The speed in the ramp is generally required to be less than 40 km h, and the acceleration lane should be quickly accelerated to more than 60 km h.

A ramp usually refers to a small section of auxiliary lanes that provide vehicles to enter and exit the main road, or a number of land bridges, ramps, and lead roads along the main arterial road, which is the main traffic construction that constitutes a road bend and a rough road interchange.

Ramps can be divided into plane ramps and three-dimensional ramps. Level ramps are only found next to some non-overhead arteries with low traffic volumes. A three-dimensional ramp is an elevated road, bridge or "roundabout" that connects individual traffic lanes within a main road to other main roads or adjacent auxiliary roads.

An interchange ramp takes up less pavement than a level ramp, but it is far more expensive to build than a plan ramp.

The ramp is an indispensable part of the interchange three-dimensional crossing, and the reasonable design of the ramp is directly related to the play of the three-dimensional buried fork function, the safe and smooth traffic, the economy of operation and the investment of the project.

The highway ramp is the road on the right side of the exit or entrance of the highway Gongchai Chek Road (generally 150-200 meters). The exit ramp is immediately behind the deceleration lane, and the speed in the ramp is generally required to be less than 40km h. 500 meters away from the exit, turn on the right turn signal, adjust the speed appropriately, and drive smoothly into the deceleration lane.

After slowing down in the speed lane, enter the ramp. (Drive out) to reduce the speed. Before entering the ramp, turn off the turn signal and control the speed of the vehicle so that the speed is lower than the specified value of the sign.

On ramps, watch out for vehicles that meet in other lanes, drive politely, and don't rush the road. After the entrance ramp, there is an acceleration lane, so you should accelerate quickly to more than 60km h, carefully observe the driving conditions of the vehicles in the lane, and choose the time to enter the lane. The acceleration lane does not allow for emergency braking or stopping.

When there are fewer vehicles on the roadway, you can drive into the lane after normal driving; When vehicles driving normally on the highway are behind, the speed should be controlled, and all vehicles should enter the lane after passing.

A ramp is an engineering term, also known as an approach road, that refers to the section of road where an overpass and an elevated road intersect up and down, and also refers to a short section of road where a main road and highway connect to a nearby auxiliary road. According to the direction of transfer, ramps can be divided into direct ramps, non-direct ramps, semi-direct ramps and turnaround ramps, and can be divided into plane and three-dimensional ramps according to the category.

A ramp is a term used in the engineering of the search road, also known as the approach road, which refers to the section of the road where the overpass and the elevated road intersect up and down, and also refers to a short section of the road where the main road and the expressway are connected to the nearby auxiliary road.

According to the direction of transfer, the ramp can be divided into direct ramps, non-direct ramps, semi-direct ramps and turnaround ramps, where the direct type is to set the right turn lane on the right, the non-direct left turn lane is located on the right, and the ring road is set up to connect other highways, and the semi-direct is not set up with a ring road, and the turnaround ramp refers to the U-shaped turn ramp.

According to the category, ramps can be divided into plane and three-dimensional ramps. Plane ramps are mostly built next to non-overhead trunk lines with low traffic flow, while three-dimensional ramps are in the form of elevated roads or bridges in the form of loops connecting various trunk lines and auxiliary roads, or auxiliary sections of other trunk lines. The three-dimensional ramp is more expensive, but it saves the road area.

A ramp is a section of an overpass that connects two roads, up and down an elevated road. The section of the highway that connects to the adjacent auxiliary road is also known as a ramps.