The three rings correspond to the inner ring, the four rings correspond to the central ring, the five rings are equivalent to the outer ring, and the six ring is equivalent to

The three rings correspond to the inner ring, the four rings correspond to the central ring, the five rings are equivalent to the outer ring, and the six ring is equivalent to

Shanghai Outer Ring 99km, Beijing five ring 99.3km.

According to the level of development, Shanghai is better than the Beijing Five rings, puxi section of the outer ring development similar to the four ring in Beijing

Beijing is developing well in the northwest. Shanghai is better in the southwest.
If the hard ratio, turn the angle also.

The inner ring and outer ring are the relations of 2 annular roads and large ring sets of small rings.

Shanghai has 4 circular roads, from small to large, from inside to outside, in turn:
Inner ring, central ring, outer ring, suburb ring.

Inner ring (note: Equivalent to 3 rings in Beijing)
Full name: Inner ring viaduct
belong to the urban elevated roads.
Through the Nanpu Bridge, Yangpu Bridge 2 times across the Huangpu River, forming a closed ring, circumference of 47.7 km.
Within the inner ring of the city, is generally considered to be the city center.

Central (note: Equivalent to 4 rings in Beijing)
Full Name: Central loop
Belong to the city fast Road.
Through the upper middle road tunnel, Military Road tunnel 2 times across the Huangpu River, forming a closed ring, circumference of about 70-kilometer.

Outer ring (note: Equivalent to 5 rings in Beijing)
Full name: Outer Ring Road
Highway Number: S20
A free-pass highway
Through the Xupu Bridge, the outer ring tunnel 2 times across the Huangpu River, forming a closed ring, circumference 99-kilometer.
It is generally believed that the outer ring is divided into urban and suburban boundaries.

Suburb ring (note: Equivalent to 6 rings in Beijing)
Full name: Shanghai around the City Expressway
Item No: G1501
It belongs to the toll highway
Through Jiading, Baoshan, Nanhui, Fengxian, Songjiang, QINGPU and other rural lines. Length 189-kilometer.

The three rings correspond to the inner ring, the four rings correspond to the central ring, the five rings are equivalent to the outer ring, and the six ring is equivalent to