List of longest ring roads

Here are the list some of the longest ring roads in the world.

Rank	Name	Distance (miles)	Distance (kilometers)	Year completed	Location	Country	Ref.
1	Route 1	828	1,332	1974		Iceland
2	G95 Capital Area Loop Expressway	584	940	2016	Beijing Capital Area	China
3	G98 Hainan Island Ring Expressway	381	613	2012	Hainan	China	[1]
4	G91 Central Liaoning Ring Expressway	249	400	2018	Shenyang	China	[2]
5	Regional Ring Road	226	364	2018	Greater Cairo	Egypt
6	Peripheral Expressway Western Peripheral Expressway Eastern Peripheral Expressway	168	270	2018	National Capital Region	India
7	Bejing 6th Ring Road	140	220	2010	Beijing	China
8	G1503 Shanghai Ring Expressway	130	209	2008	Shanghai	China
9	Bundesautobahn 10	122	196	1936-1979	Berlin/Brandenburg Metropolitan Region	Germany
10/11	M25 motorway	117	188	1975-1986	Greater London,England	United Kingdom
10/11	G4201 Wuhan Ring Expressway	117	188	2012	Wuhan	China	[3][4]
12	Rodoanel Mário Covas	110	177	2002-2019	Greater São Paulo	Brazil
13	Nehru Outer Ring Road	98	158	2018	Hyderabad	India
14	Texas State Highway Loop 1604	94	151	1977	San Antonio, Texas	United States	[5]
15	Texas State Highway Beltway 8	88	141	1983	Greater Houston,Texas	United States	[6]
16	I-275 Cincinnati By-Pass	83.71	134.72	1962	Ohio-Kentucky-Indiana	United States

This list is incomplete; you can help by expanding it.

Under construction

• Central Yunnan Urban Economic Ring Expressway, over 300 kilometres (186 mi) completed.[7][8]
• G3021 Lintong–Xingping Expressway, also known as the Second Ring Expressway of Xi'an, planned length of 360 kilometres (224 mi).
• G93 Chengyu Ring Expressway, planned length of 1,057 kilometres (657 mi).
• Chengdu Economic Zone Ring Expressway, planned length of 438 kilometres (272 mi).
• Texas State Highway 99, planned length of 184 miles (296 km). [9]

References

1. "我省高速公路列入国家公路网规划 -- 规划 -- 海南省人民政府网". www.hainan.gov.cn.
2. "辽宁中部环线高速公路全线贯通-新华网". www.xinhuanet.com.
3. "阳逻长江大桥开通国家交通路网武汉节点全面升级". www.gov.cn.
4. "武汉绕城高速公路 _武汉绕城至高速公路_武汉绕城高速公路最新信息大全-中国高速公路网". www.chinahighway.org.
5. Transportation Planning and Programming Division (n.d.). "State Highway Loop No. 1604". Highway Designation Files. Texas Department of Transportation. Retrieved December 28, 2019.
6. Transportation Planning and Programming Division (n.d.). "State Highway Loop No. 8". Highway Designation Files. Texas Department of Transportation. Retrieved December 28, 2019.
7. "省政协调研组视察滇中环线高速公路建设-云南省交通运输厅". jtyst.yn.gov.cn.
8. "滇中高速公路环线建设 最后两项目年底开工".
9. "Grand Parkway - SH 99". www.txtag.org.