Article 1: To prevent and control environmental noise pollution, protect and improve the living environment, protect human health, and consolidate and develop the achievements of creating a national sanitary city, in accordance with the "Law of the People's Republic of China on the Prevention and Control of Environmental Noise Pollution" These regulations are specially formulated based on the actual conditions of Chengdu City and other relevant laws and regulations. Article 2 These regulations apply within the urban planning area of ??Chengdu City. Article 3 The applicable areas for environmental noise standards in this city are divided into Category 1 areas, Category 2 areas, Category 3 areas and Category 4 areas according to the following provisions:

(1) Category 1 standard applicable areas

1. Western area

Eastern boundary: First Ring Road (West Section 2), Nanhe.

The southern boundary: Wuhou Temple Street and the urban section of the Sichuan-Tibet Highway.

Western boundary: Second Ring Road (West Section 1 to West Section 2).

Northern boundary: Qingjiang East Road.

2. The scope of the southern area

The eastern limit: Fuhe River.

Southern boundary: Second Ring Road (South Section 1 to South Section 3).

Western boundary: Yulin Road (North Road, Middle Road, South Road).

Northern boundary: First Ring Road (South Section 1 to South Section 3).

3. West China University of Medical Sciences and its affiliated hospitals, Chengdu Meteorological Institute, Sichuan Economic and Management Cadre College, Sichuan Institute of Education, Southwest University for Nationalities, Chengdu University of Electronic Science and Technology, Sichuan Normal University, Southwest Jiaotong University, The area within the boundary wall of Southwestern University of Finance and Economics, Sichuan Provincial Party School, and Sichuan Administrative Finance and Trade Management Cadre College.

4. The area within the boundary wall of Chengdu Giant Panda Breeding Base and Chengdu Botanical Garden.

(2) Category 2 standard applicable areas

1. Areas within the Second Ring Road except Category 1 areas and Category 4 areas.

2. Areas outside the Second Ring Road except Category 3 areas and Category 4 areas.

3. Market towns in Category 3 areas.

4. Areas within the boundary walls of Chengdu Zoo, Chengdu Institute of Technology and Chengdu Military Region General Hospital.

(3) Category 3 standard applicable areas

1. Baocheng Railway Station West 2nd Road to the east of the 2nd Ring Road, the 2nd North Section of the 2nd Ring Road to the North 4th Section, 2 The built-up area covers the first section of the East Ring Road to the East Section 5, south of the South Section of the Second Ring Road, east of the south extension of Kehua North Road, west of Shahe and Fuhe rivers, and north of Chengdu-Chongqing Expressway.

2. Other industrial zones built outside the Second Ring Road with the approval of the municipal government or district government.

(4) Category 4 standard applicable areas

1. The urban main and secondary arterial roads that have been built or are under construction determined by the urban planning department are traffic arterial roads, mainly including:

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(1) Renmin Road (including Renmin North Road, Renmin Middle Road, and Renmin South Road).

(2) Jiefang Road (including Zhaojuesi South Road, Simaqiao Street, Jiefang Road, North Street, Caoshi Street, Luoguo Lane, Yudaiqiao Street, Jinjiang Road, Yandai Lane, Xinguanghua Street, Hongzhaobi Street, South Street, Jiangxi Street, Ximenqiao Street, Yongfeng Road, Chengxin Highway City Section).

(3) Shudu Avenue (including Qingjiang Middle Road, Qingjiang East Road, Twelve Bridge Road, Tonghuimen Road, Jinhe Road, Shaocheng Road, Renmin West Road, Renmin East Road, Zongfu Road , Dacisi Road, Dongfeng Road, Shuinianhe Road, Shuanggui Road, Chengdu-Chongqing Expressway urban section).

(4) Jinniu Line (including Jinniuba Road, Yingmenkou Road, Huapifang Street, Huihui Street, Xiyuecheng Street, West Street, Babao Street, Dongchenggen Street, Dongchenggennan Street, Xiyu Street, Dongyu Street, Shangdong Street, Zidonglou Street, Zidongzheng Street, Niuwangmiao Street, Yidongqiao Street, Yixinqiao Street, Datiankan Street, Deshengshang Street).

(5) Hongxing Road (including Fuqing Road, Hongxing Road, Xinnan Road, Kehua North Road and South Extension Line).

(6) Light Third Line (including Guanghuacun Street, Qinghua Road, Qingyang Street, Qingyangzheng Street, Wainan Renmin Road, Yangpiba Street, Chengbian Street, Binjiang Road, Banxianqiao Street, Shunjiang Road, Sanguantang Street, Chengren Highway urban section).

(7) First Ring Road.

(8) Xinhua Avenue (including Shawan Road, Majia Garden Road, Tongjinqiao Road, Jianghan Road, Wenwu Road, Desheng Road, Yusha Road, Sanhuaishu Road, Shuanglin Road and east extension line).

(9) High School Third Line (including the urban section of the Sichuan-Tibet Highway, Wuhou Temple Street, Taiping South Street, Taiping South New Street, ***he Road, Wenhua Road, Labor Road, and Jiusan Highway) .

(10) Second Ring Road.

(11) Third Ring Road (including Simaqiao Road, Balizhuang Road, Erxianqiao East Road, Cuijiadian Road, Tiaodenghe Road, and Niulong Highway).

(12) Jianshe Road (including Jianshe North Road, Jianshe Road, Mengzhuiwan Street).

(13) Xinhong Road (including Xinhong, Shabanqiao Road, Tiaodeng Hebei Road, Duobaosi Road, Huaishudian Road).

(14) Taibei Extension (including Admiral Street, Taisheng Road, and Taisheng Road North Extension).

(15) Qingbei Northeast Extension Line (including Qinglong Street, Dongchenggen Street North Extension Line, and Zhanxi 2nd Road).

(16) West Kowloon Line (including Xi'an Road, Sandongqiao Street, South Alley, North Alley, Jinxianqiao Street, Xiti Road, Xiti North Road, Jiulidi South Road, Jiulidi Middle Road).

(17) Yangshi Street West Extension Line (including Xiang Street, West Yulong Street, Yangshi Street, Dongmen Street, Huaishu Street, Fuqin East Road, Fuqin West Road, Yangshi Street West Extension Line) .

2. Areas on both sides of road traffic trunk lines:

(1) Street-facing buildings higher than three-story buildings (including three floors) or higher than 10 meters (including 10 meters) are Main, the area with the first row of buildings facing the road side.

(2) Between buildings facing the street that are higher than three-story buildings (including three floors) or higher than 10 meters (including 10 meters), there are buildings that are lower than three-story buildings or lower than 10 meters facing the street. Buildings (including open space), if the distance between two buildings is less than 50 meters, it is deemed to be connected to the area on the side of the first row of buildings facing the road; if the distance between two buildings is greater than or equal to 50 meters, and the distance between the two buildings is greater than or equal to 50 meters, and the buildings facing the street are The area within a certain distance outside the red line of the road is mainly below three floors or below 10 meters (including open areas). The distance is determined by the Municipal Environmental Protection Bureau in accordance with relevant national regulations. The building breaks formed at street intersections are regarded as connection demarcations.

(3) In railway station squares, long-distance bus stations, bus terminals and central stations, and parking lots of large and medium-sized transportation enterprises.

3. Areas within a certain distance on both sides of railways (including light rail). The distance is determined by the Municipal Environmental Protection Bureau in accordance with relevant national regulations.