First undersea tunnel opens in northeast China

中国东北首条海底隧道正式通车

Cutting travel time from one hour to just five minutes, this 5.1-kilometer undersea tunnel connects the south and north of Dalian Bay in northeastern China. The tunnel opened for traffic on May 1, 2023. The designated speed limit is 60 kilometers per hour. And the tunnel is built to last 100 years.

Dalian is a coastal city in northeastern China, among the country's first cities to open up their economies. But Dalian has for years suffered a sluggish economy. The tunnel, an extension of one of Dalian's main roads, is designed to help improve traffic and boost logistics with the aim of bolstering growth.

这条5.1公里长的海底隧道连接了中国东北部大连湾的南部和北部，将旅行时间从1小时缩短到5分钟。隧道于2023年5月1日通车。指定的速度限制是每小时60公里。这条隧道的建造寿命为100年。

大连是中国东北部的一个沿海城市，是中国最早开放经济的城市之一。然而，大连多年来经济一直低迷。这条隧道是大连一条主要道路的延伸，旨在帮助改善交通和促进物流，以促进经济增长。

5月1日，中国北方首条跨海沉管隧道——大连湾海底隧道和光明路延伸工程正式通车。项目建设历时7年，主线全长约12.1公里，包含海底隧道、山岭隧道各一条，水下立交一座，陆上互通立交四座。工程建设标准为城市快速路，设计时速60公里，双向6车道，使用年限为100年。

以下是各国网友的评论：

Yong Zee How

Amazing engineering construction,the most difficult part is waterproofing of tunnel.

令人惊叹的工程，最困难的部分是隧道防水。

waqar shah

Fantastic Civil Engineering with best quality work.. really Appreciated to Chinese Civil engineers team

出色的土木工程，质量上乘。非常感谢中国土木工程师团队

chaulang 62

Under Sea Tunnel road is beautiful , decorative walls with bright lights and smooth runway !

Incredible .

海底隧道里面铺的路很漂亮，装饰性的墙壁上点缀着明亮的灯，平坦的路面

令人难以置信

Uber Menschen

To fully appreciate the efficiency and convenience afforded by this under sea traffic tunnel, you need to see the map of the Dalian and its surrounding region.

为了充分了解这条海底交通隧道的效率和便利性，你应当先看看大连及其周边地区的地图。

Morningstar Arun

China has become the country with best connectivity.

中国已成为交通互联互通程度最高的国家。

Strong Challenger

China, you're my love. So advanced. So nice

中国，你是我的最爱。太先进了。太好了

catonpillow

Hopefully we'll see one of those build between Сhina and the island of Taiwan in the near future. Keep it up!

希望在不久的将来，能在中国大陆和台湾岛之间看到这样的海底隧道

shi ban won
Great achievements

了不起的成就

Earth+

What if a tunnel for trains was built, instead of a tunnels for cars. It would have encourage the people to use public transportation more, since it would have been the fastest and most convenient option. Public transportation is the only solution to traffic congestion, in the long term

如果是建造一条火车隧道，而不是汽车隧道，会怎么样。可以鼓励人们更多地选择公共交通，这也是最快、最方便的选择。

从长远来看，公共交通是解决交通拥堵的唯一办法

Monsoon

China my love, my inspiration
Keep it up comrades, keep progressing

中国是我的最爱，我的灵感

同志们，继续前进

Spy Balloon

Good job, keep improving

继续进步

Chi Cen

meanwhile u.s.a can't even keep most their railway track smooth and properly maintained lol

与此同时，美国大部分铁路都无法保持畅通，缺乏妥善维护

Thomas Choong

Another great Chinese engineering infrastructure

又一个伟大的中国工程基础设施

Raymond

Incredible!!!
All hail China!

令人难以置信啊

Hussain riaz

Above they sky n under the sea ... Red dragon shows it's power
China is love

在天空之上，在海洋之下。中国龙爆发出了力量

Duya Taksis

As the ancient Chinese proverb said, "If you want to be wealthy, first build a road."

中国有一句话是这样说的：“要想富先修路。”

Cute and Funny Earthlings

There will be a toll and lets say 20 cents to use it each way to recoup the cost of building the bridge.

会收过路费的，比如说每次20美分，从而收回建造大桥的成本。

da wen ren

Qingdao already built it many years ago

青岛修隧道已经修了很多年了

b Low

Where's the emergency shoulder?

应急车道呢？

k y

What happens when earthquake hits ?

发生地震怎么办？

Karl Kolunder

Wie der ist schon fertig? China ist so unglaublich schnell! China Nummer eins würde ich mal sagen. hegemonia punkt deutschland

中国速度之快令人难以置信！我认为中国是第一。德意志式的霸权

China Girl

Was there this morning it’s closed due to technical faults typical Chinese construction

今天早上，这条隧道有没有因为中国建筑技术问题而关闭？

Spy Balloon

Every construction basically have technical faults , but the chinese managed that before to critical level for safety reason

每一个建筑基本上都存在技术问题，但出于安全考虑，中国人之前将其控制到了临界水平

KEEP CALM and ENJOY THE DECLINE

It will not last 100 years.
-Me, 2023.

用不了100年