The area of the Fourth Ring Road is 410.2 million square meters, which is the highest road construction in Beijing. The fourth ring road is 65 kilometers long and 8 lanes wide, and the width of auxiliary roads on both sides is 7 to 15 meters.
According to relevant sources, after the East Fourth Ring Road, the South Fourth Ring Road and the North Fourth Ring Road were first opened to traffic, they absorbed 30% of the traffic of the Second and Third Rings. After the fourth ring road is fully opened to traffic, more vehicles will be diverted from the second and third ring roads, and Beijing's road network and expressway system will be improved, eventually forming an expressway network. All transit vehicles can pass through Beijing directly, which not only reduces the pressure of urban roads and traffic congestion, but also reduces the time for vehicles to stay in Beijing and correspondingly reduces the number of vehicles.
The most comprehensive "environmental protection avenue" for greening
The construction of the Fourth Ring Road is not only a road traffic project, but also an environmental control project. Along the road 100 meters, the total area of green belt 1.300 hectares. The Fourth Ring Road will build a green landscape avenue with "continuous scenery and continuous lines", and its area is equivalent to the Summer Palace 10 landscape green space.
The magnificent green landscape avenue around the capital will improve the image of the capital and fundamentally change the dirty, chaotic and poor backward environment in the urban-rural fringe. It has also contributed to urban pollution control and urban environmental quality improvement, and is also the avenue for Beijing to prevent dust, purify air and protect residents' physical and mental health.
Urban expressways extending in all directions
If you want to talk about the difference between the Fourth Ring Road and the Second Ring Road and the Third Ring Road, you can find that it is most convenient to walk around the wide Fourth Ring Road from Beijing.
The Fourth Ring Road is located in Chaoyang District, Haidian District and Fengtai District. Driving on the Fourth Ring Road, you can easily find the vast area of the Fourth Ring Road. Eight expressways, such as Airport Expressway, Jingtong Expressway, Shen Jing Expressway and Jingjintang Expressway, can take you where you want to go. At the same time, there are dozens of urban trunk lines connected with the Fourth Ring Road, forming a new urban radiation traffic landscape.
Laying the longest municipal highway pipeline
The Fourth Ring Road is called the traffic artery of Beijing because of its momentum around the capital. In fact, there is a majestic "underground artery" buried under the Fourth Ring Road.
It is understood that during the construction of the Fourth Ring Road, the demolition area reached 800,000 square meters and the original pipeline was demolished for 337 kilometers. At the same time, seven municipal public pipelines, including water, electricity, gas and heat, have been buried on both sides of the main road, reaching a new figure of urban pipe network construction with a total length of 600 kilometers. This 600-kilometer-long pipeline connects the city's heating, water supply, power supply and other supporting facilities.
Beijing has designed the highest speed road.
The Fourth Ring Road is designed according to the high-standard urban expressway. The main road is fully enclosed, with full interchange, two-way eight lanes and emergency parking lane. The design speed is 80 to 100 km. In other words, this road has become the fastest urban expressway in Beijing.
The full opening of the Fourth Ring Road will reduce the traffic pressure in the city. Before the completion of the Fifth Ring Road, a transit traffic corridor will be formed as a highway link to quickly disperse transit vehicles. According to the analysis of relevant experts, after the Fourth Ring Road is fully opened to traffic, the daily traffic volume will reach more than 200,000 vehicles, showing superior traffic attraction and carrying capacity, reducing the stay time of transit vehicles, greatly alleviating urban traffic congestion and reducing air pollution caused by automobile emissions.
The most expensive highway pipe network
To ask how much it cost to build the Fourth Ring Road, it is not difficult to see the following figures: 410.2 million square meters; 147 large and small bridges; The subway box culverts with a length of 59.8m, a width of 22.8m and a height of 7.6m are buried under the cutting at the intersection of the Fourth Ring Road and Baiyi Road, which is the most difficult section of the whole line. There are 670 enterprises, institutions and schools involved in demolition.
It is understood that the dynamic total investment of the Fourth Ring Road project is 9.8 billion yuan-the Fourth Ring Road has become the most expensive urban expressway in Beijing.
The smoothest road in Beijing.
If we want to talk about the characteristics of the Fourth Ring Road, it is that the road is wide and the road is flat.
According to the person in charge of the project headquarters, the whole project is equipped with a perfect traffic safety system and facilities such as greening and lighting. Due to the use of advanced modified asphalt concrete pavement materials and the introduction of non-contact balance beam automatic leveling device imported from the United States, the pavement smoothness has been improved by more than 20% compared with conventional construction.
A highway that won't accumulate water
As the saying goes: the car goes up, the water flows down. After the Fourth Ring Road in Beijing is completed and opened to traffic, it will become an urban expressway without water accumulation under the bridge in rainy season-seven rainwater pumping stations to ensure that there is no water accumulation under the Fourth Ring Road overpass.
The terrain under the Fourth Ring Overpass is low, and the water can't be discharged by itself when it rains, which is easy to cause water accumulation and affect normal traffic. Since the end of last year, seven rainwater pumping stations built by the Municipal Engineering Management Office have been started one after another. It is understood that these pumping stations are located next to the Fourth Ring Overpass. Among them, located in the South Fourth Ring Road are: Taiping Street Nanyan overpass rainwater pumping station, Jingkai rainwater pumping station, Yongdingmen South rainwater pumping station and Longzhaoshu overpass rainwater pumping station; Located in the North Fourth Ring Road, there are beijing-baotou railway overpass rainwater pumping station, Zhongguancun North Second Street rainwater pumping station and North Fourth Ring Road rainwater pumping station. Most of these pumping stations will be put into use before the flood season this year, and the unfinished pumping stations will also adopt a temporary pumping scheme during the flood season to ensure that there is no water under the bridge.
The longest "technology necklace"
Haidian Park, Fengtai Park, Electronic City, Yi Manor and Beijing Economic and Technological Development Zone, which belong to Zhongguancun Science Park, are all close to the Fourth Ring Road, which means that the Fourth Ring Road is not only a green necklace of Beijing, but also a "technological necklace".
According to the person in charge of Zhongguancun Science Park, the opening of the Fourth Ring Road eased the road congestion in Haidian Park.
"As the speed increases, the work efficiency will also increase accordingly," he said. "The West Fourth Ring Road is open to traffic, and it takes only 20 minutes to drive from Fengtai Park to Zhongguancun, whereas it used to take about an hour."
It is understood that the number of enterprises and residents in the development zone is increasing, and the traffic flow is increasing sharply. Therefore, Beijing Development Zone invested 60 million yuan to build the north extension project of Ronghua Road, which is connected with the South Fourth Ring Road in a T shape, with a total length of 3,095 meters, a width of about 50 meters and 40 meters, and three lanes or two lanes up and down. Director Li Fengling, director of the Beijing Economic and Technological Development Zone Management Committee, described the importance of the Fourth Ring Road to the development zone as follows: "Only by creating a good road environment can more funds be attracted to the park".