Inner Ring Road also known as Inner Ring Elevated Road , is an elevated expressway in the city of Shanghai

Shanghai

Shanghai is the largest city by population in China and the largest city proper in the world. It is one of the four province-level municipalities in the People's Republic of China, with a total population of over 23 million as of 2010...

, China

People's Republic of China

China , officially the People's Republic of China , is the most populous country in the world, with over 1.3 billion citizens. Located in East Asia, the country covers approximately 9.6 million square kilometres...

. It was the first ring road

Ring road

A ring road, orbital motorway, beltway, circumferential highway, or loop highway is a road that encircles a town or city...

 around the city of Shanghai. The Puxi

Puxi

Puxi is the historic center of Shanghai, China, and remains the home of approximately 48% of Shanghai's residents in an area of 288 km². Puxi is distinguished from Pudong to its east, which is separated from it by the Huangpu River...

 section of the road was completely grade-separated and complete in 1994, while the Pudong

Pudong

Pudong |Bank]]") is an area of Shanghai, China, located along the east side of the Huangpu River, across from the historic city center of Shanghai in Puxi. Formerly a little-developed agricultural area linked only by ferries, Pudong has grown rapidly since the 1990s and emerged as China's financial...

 section of the road was completely grade-separated in 2009. Before the grade separation in Pudong

Pudong

Pudong |Bank]]") is an area of Shanghai, China, located along the east side of the Huangpu River, across from the historic city center of Shanghai in Puxi. Formerly a little-developed agricultural area linked only by ferries, Pudong has grown rapidly since the 1990s and emerged as China's financial...

, the road ran at street level, with traffic lights at intersections.

The maximum speed on the expressway is 80 km/h, with two lanes in each direction. The Inner Ring Road crosses the Huangpu River

Huangpu River

The Huangpu River is a -long river in China flowing through Shanghai...

 twice, using the Yangpu

Yangpu Bridge

The Yangpu Bridge , in Shanghai, China,sister bridge to Nanpu Bridge, is among the world's longest bridges, with a total length of 8354 meters. Its longest span of 602 m makes it the fourth largest cable-stayed bridge in the world. It carries the Inner Ring Road from the Yangpu District in Puxi to...

 and Nanpu

Nanpu bridge

The Nanpu Bridge ,in Shanghai, China, sister bridge to the Yangpu Bridge, is one of the main bridges in Shanghai.The cable-stayed bridge was designed by the Shanghai Municipal Engineering Design Institute, Shanghai Urban Construction College, and Shanghai Urban Construction Design Institute, with...

Bridges.