Hechi City and Baise City, the two revolutionary base areas connected by the Hechi-Baise Expressway, are the two cities with the most difficult tasks of poverty alleviation in Guangxi. This road carries the expectations of the people in the base areas and is an important road for poverty alleviation, economic development, and public happiness. The main line of the Hechi-BaiseExpressway is 179.2 kilometers long, with a design speed of 80 kilometers per hour, and the main line is constructed according to the standard of a two-way four-lane expressway.

　　Wuxi-Zhenping Expressway is one of the expressways with the highest bridge-to-tunnel ratio and the most difficult construction in China. It has a total length of 48.691 kilometers and a bridge-to-tunnel ratio of 90.9%. It is an important part of building the south-north passage from Hubei, Chongqing and Shanxi. The project is also the first expressway directly connecting Chongqing and Shanxi. After the completion of the project, it will be of great significance to promote the acceleration of the line into the Yangtze River Economic Belt, promote the development of eco-tourism, new urbanization, and rural revitalization strategies.

　　The main line of the G7611 Xichang-Shangri-La Expressway (within Sichuan Province) is 182.64 kilometers long. Upon completion, the Xichang-Shangri-La Expressway will become the most convenient economic passage for Liangshan Prefecture to integrate into the Guangdong-Hong Kong-Macao Greater Bay Area and the South Asian Free Trade Area. It is of great significance to improve the regional backbone network of arterial highways, improve transportation conditions, promote the development of regional tourism resources, and promote the economic leapfrog development and long-term stability of ethnic minority areas in Liangshan, as well as maintain ethnic unity.

Chengyu Expressway is a section of G85 Chongqing-Kunming Expressway. It is the first expressway in Chongqing and the first expressway opened to traffic in the southwest region. It is known as the “first expressway in the southwest”. This project is the first project to introduce FIDIC terms to implement the supervision system. Chongqing Traffic Engineering Supervision Consulting Co., Ltd. participated in the supervision of its construction process.

Chongqing-Yichang Expressway is an important section of G42 Shanghai-Chengdu Expressway and G50 Shanghai-Chongqing Expressway. The Chongqing section of the Chongqing-Yichang Expressway is about 456 kilometers long and is divided into Chongqing-Changshou Section, Changshou-Liangping Section, Wanzhou-Liangping Section, Yunyang-Wanzhou Section, Yunyang-Fengjie Section and Fengjie-Wushan Section to start construction in stages. Among them, Chongqing Traffic Engineering Supervision Consulting Co., Ltd. is mainly involved in the construction supervision of the Chongqing-Changshou Section, Changshou-Liangping Section, Wanzhou-Liangping Section, Yunyang-Wanzhou Section and Fengjie-Wushan Section, accounting for 80% of the total length. The Motianling Tunnel has a total length of 7353 meters, which is the second longest highway tunnel in Chongqing, and the length of its ventilation shaft is the longest in Asia.

Chongqing-Guizhou Expressway is a section of G75 Lanzhou-Haikou Expressway, with a total length of 135.2 kilometers in Chongqing section. The whole line was opened to traffic at the end of 2004. Starting from Chongqing, it can reach Zhanjiang, Guangdong in 12 hours. It became the first major channel to the sea built in Chongqing. Chongqing Traffic Engineering Supervision Consulting Co., Ltd. participated in the supervision of the whole line.

Chongqing City Loop Expressway is an important part of Chongqing's “Dual Ring and Eight Rays” expressway system, which is of great significance to the rapid development of Chongqing. Chongqing Traffic Engineering Supervision and Consulting Co., Ltd. participated in the supervision of civil works accounting for 70% of the total length of the route, and pavement works accounting for 100% of the total length of the route. The project is the "Typical Demonstration Road" and "Science and Technology Demonstration Road" proposed by the Ministry of Transport. With the completion of the entire highway around the city, Chongqing has successfully implemented the "Inner Loop Outward Relocation" project. All toll stations in the Inner Loop expressway were demolished and built near the City Loop Expressway, and the main city of Chongqing has entered the "second loop era". Among them, the northern section project and the Shuitu Jialing River Bridge won the Chongqing Bayu Cup Quality Project Award.

The Chongqing-Hunan Expressway is a section of G65 from Baotou to Maoming Expressway in the national expressway network. It is also a ray in Chongqing's “Dual Ring and Eight Rays” expressway system and leads to the ethnic minority areas in southeast Chongqing and to the developed coastal areas in southern China. The Chongqing section of this Expressway has a total length of 413.3 kilometers. Because the project passes through the hinterland of Wuling Mountain, the proportion of engineering bridges and tunnels is large. Among them, there are 21 kilometers of bridges and tunnels in Wulong County, which are quite rare in the history of highway construction in the world. Municipal Traffic Engineering Supervision Consulting Co., Ltd. participated in the project supervision of Shuijie Road, Shuiwu Road, Qianpeng Road and Youpeng Road, accounting for 60% of the total length of the line. Among them, the Wulong-Shuijiang section expressway won the first prize of the Ministry of Transport's Highway Traffic Quality Engineering Award (Li Chun Award); the Baiyun Tunnel won the 2016-2017 National Quality Engineering Award.

Chongqing-Wusheng Expressway is a section of G75 Lanhai Expressway in Chongqing with a total length of 92.6 kilometers. The Chongqing-Hechuan section is 58.7 kilometers long and opened to traffic in 2002, and the Wusheng-Hechuan section is 33.9 kilometers long and opened to traffic in 2005. Chongqing Traffic Engineering Supervision Consulting Co., Ltd. participates in the construction supervision work of the whole line. The Beibei Tunnel won the Luban Award of China Construction Engineering, the National Silver Award for Quality Engineering, and the Chongqing Bayu Cup Quality Engineering Award.

The Dianjiang-Lichuan Expressway is part of the G50 Shanghai-Chongqing Expressway of the national expressway network. The Chongqing section is 155.1 kilometers long. Construction started on November 20, 2004, and the entire line was opened to traffic on September 28, 2009. Chongqing Traffic Engineering Supervision Consulting Co., Ltd. participated in the construction supervision of its Shizhong Section, accounting for 70% of the total length. Among them, the Zhongxian Yangtze River Bridge won the National Quality Project Silver Award and Chongqing Bayu Cup Quality Project Award.

The Wanzhou-Kaixian Expressway has a total length of 29.3 kilometers and an estimated budget of 1.978 billion yuan. Chongqing Traffic Engineering Supervision Consulting Co., Ltd. participated in the project supervision of the entire line. The Tiefengshan No. 2 Tunnel was 6,022 meters long and was the longest road tunnel in the southwest at that time. The opening of the Wanzhou-Kaixian Expressway ended the history of no expressway in the hometown of Marshal Liu Bocheng.

Nanchuan-Fuling Expressway is an important part of Chongqing's “Three Ring and Ten Rays” Expressway System construction of the third ring line. The total length of the line is about 55 kilometers and the total project investment is about 5.6 billion yuan. The control engineering Qingcaobei Bridge has a total length of 1,719 meters and a main span of 788 meters with twin towers and a single span. It was the steel box girder suspension bridge with the largest span in the southwest at that time.

The expressway from Nanchuan to Liangjiang New Area in Chongqing is 73.5 kilometers long. The starting point is Dapuzi in Nanchuan District and the G65 Baomao Expressway (Yuxiang Expressway), and the end point is Liujiawan in Luoqi Town, Yubei District and the Hechuan-Changshou section of Chongqing Third Ring Expressway. Its key control project, Taihong Yangtze River Bridge, uses tunnel anchors on the south bank, and uses frame gravity anchors on the north bank. The cable tower adopts a linear inner inclined tower, which is a reinforced concrete structure. The main cable is a prefabricated parallel steel wire strand with a steel wire diameter of 5mm, a single strand of 127 wires, and a single strand of 110 strands. In the design process of the bridge, Bently platform's PowerCivil, CivilStationBridge, Tekla and other software were used to establish the BIM model of the recommended scheme, and to provide more intuitive, comprehensive and effective data support for each stage of design, construction, operation, maintenance and transformation.

The Chongqing-Linshui Expressway is an important section of the G65 Baotou-Maoming Expressway in Chongqing. It is a highway from Chongqing to Guang'an, the hometown of Deng Xiaoping. Its Chongqing section is 53.6 kilometers long. Chongqing Traffic Engineering Supervision Consulting Co., Ltd. participated in the supervision of the entire project.

The new reconstruction project of Lagong Highway is a key highway construction project of the Ministry of Communications and the Tibet Autonomous Region during the Tenth Five-Year Plan period, and is one of Tibet's important economic trunk lines. It is also an organic component and an important supplement to the main framework of the district’s highways, "three verticals, two horizontals, and six passages."

The section from Nianla Mountain to Bangda Airport on the Yunnan-Tibet Highway is in the national trunk road network and is an important part of the National Highway 214 from Xining to Jinghong. National Highway 214 in Tibet is the first vertical trunk line in the "three vertical, two horizontal, and six passages" skeleton road network planned by the Tibet Autonomous Region. It is one of the five roads in and out of Tibet. It is the only land passage between Tibet and Yunnan Province and the second road passage between Tibet and Qinghai Province.