E02 expressway (Sri Lanka)
Outer Circular Expressway
|Arthur C. Clarke Expressway|
|Maintained by the Road Development Authority|
|Length:||29 km (18 mi)|
|Beltway around Colombo|
|North end:||Kerawalapitiya - connect with E03 Colombo - Katunayake Expressway|
|Exit 2 → Mattumagala
Exit 3 →Kadawatha
Exit 4 → Kaduwela
Exit 5 → Athurugiriya 
|South end:||Kottawa, Colombo - Start of E01 Colombo - Matara Expressway|
|Sri Lanka E-Grade Highways|
The Colombo Outer Circular Expressway (also known as the Outer Circular Highway, Colombo Inter-provincial Orbital Router or the Arthur C. Clarke Expressway) is a highway in Colombo, Sri Lanka which is under construction. The 29 km (18 mi) long outer circular road network will link the Colombo - Matara Expressway with Colombo - Katunayake Expressway and Proposed Colombo - Kandy Expressway and will provide an orbital beltway to bypass the city of Colombo and reduce traffic congestion. The project is funded by Japan the International Cooperation Agency (JICA) 
Construction of the road will commence in October, 2009 and will take 3 and a half years to complete. Access will be provided to all "A" class roads via interchanges. The highway will have an operational speed limit of 80 km/h and is to be built with 4 lanes and provisions to upgrade the road for 6 lanes of traffic.
Construction of the road will commenced in October, 2009 the phase will take 3 and a half years to complete. This will be Sri Lanka's costliest and most expensive road coming in at USD$ 57 million per km
Construction of the Colombo Outer Circular road will be carried out in three phases and the construction of first stage from Kottawa to Kaduwela with a length of 11 km has already commenced and expected completion is September 2013. On January 2013, Road Development Authority said that there will be an extra interchange in Athurugiriya with the intention of accommodating projected traffic from a fast developing area.
On January 2013, the third phase construction contract of this project from Kadawatha to Kerawalapitiya (length of 9.2 km) was awarded to China Metallurgical Group Corporation Limited by the Cabinet of Sri Lanka for a value of Rs. 66.69 billion.
At Kottawa interchange the OCE will be connected to High Level road and the Colombo - Matara Expressway and at Athurugiriya it will be connected the Malabe - Athurugiriya road and later it will be connected to the proposed high elevated road to be constructed from Orugodawatta to Pore - Athurugiriya.
At Kaduwela interchange the OCE will be connected to Low Level road while at Kadawatha it will be connected to present Kandy road and to the proposed Kandy express way and the Northern highway.
|Kerawalapitiya||E03 Colombo - Katunayake Expressway|
Proposed Colombo-Kandy / Northern Expressway
|Kaduwela||Low Level Road
Peliyagoda-Mudungoda Road (New Kandy Road)
Proposed elevated way from Orugodawatta to Athurugiriya
|Kottawa||High Level road
E01 Colombo - Matara Expressway
- A Speedy and safe journey to Galle
- Project to build a beltway around Sri Lanka capital given to Chinese company
- Outer Circular Highway
- "Features | Sundayobserver.lk - Sri Lanka". Sundayobserver.lk. 2012-06-24. Retrieved 2013-01-11.
- "Outer Circular Highway". Rda.gov.lk. Retrieved 2013-01-11.
- "Highway circling Sri Lanka's capital gets extra interchange - LANKA BUSINESS ONLINE". Lbo.lk. Retrieved 2013-01-11.
- Project to build a beltway around Sri Lankan capital given to Chinese company
- RDA - Outer Circular Highway
- Outer Circular Road Network for Colombo
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