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๐Ÿ›ฃ๏ธUnder ConstructionSouth India

Chennai Peripheral Ring Road (CPRR)

Ennore Port (Chennai) to Poonjeri (near Mamallapuram) โ€” 132.9 km ยท 6 lanes (access-controlled)

A 132.9 km six-lane access-controlled ring road connecting Ennore Port to Poonjeri near Mamallapuram, built in five sections by TNRDC at an estimated โ‚น12,301 crore with funding from JICA, AIIB and OFID. Section 4 from Sriperumbudur to Singaperumal Koil is complete and operational, and roughly 79% of the overall work was done by 2026. Section 1 from Ennore to Thatchur is the most delayed, pushing full completion to 2027.

132.9

Kilometres

6

Lanes

100 km/h

Speed Limit

1

State

Chennai Peripheral Ring Road Route Map

Ennore Port, Thatchur, Sriperumbudur, Singaperumal Koil, Poonjeri (Mamallapuram)

Chennai Peripheral Ring Road Start and End Point

Start Point (Origin)

Ennore Port (Chennai)

End Point (Terminus)

Poonjeri (near Mamallapuram)

States & Union Territories

Tamil Nadu

Major Cities & Towns

โ—Chennaiโ†’โ—Thatchurโ†’โ—Sriperumbudurโ†’โ—Singaperumal Koilโ†’โ—Mamallapuram

Key Features

  • โ—Built in five sections by TNRDC
  • โ—Funded by JICA, AIIB and OFID with Tamil Nadu government support
  • โ—Section 4 (Sriperumbudur-Singaperumal Koil) already operational
  • โ—Around 79% complete as of 2026
  • โ—Diverts port and freight traffic around Chennai city

Project Details

NameChennai Peripheral Ring Road (CPRR)
Total Length132.9 km
Lanes6 lanes (access-controlled)
Speed Limit100 km/h
StatusUnder Construction
Operator / DeveloperTamil Nadu Road Development Company (TNRDC)
Expected Completion2027
Project CostRs 12,301 Crore
RegionSouth India

Safety Tips for Driving on the Chennai Peripheral Ring Road

  • โš ๏ธStrictly follow the speed limit of 100 km/h. Overspeeding on expressways attracts heavy fines.
  • โš ๏ธAlways wear seatbelts. Rear-seat passengers must also buckle up on expressways.
  • โš ๏ธDo not stop on the main carriageway. Use designated rest areas and parking zones.
  • โš ๏ธMaintain lane discipline โ€” use the right lane only for overtaking.
  • โš ๏ธKeep a safe following distance of at least 3 seconds at expressway speeds.
  • โš ๏ธUse headlights even during daytime as per expressway rules.
  • โš ๏ธIn case of breakdown, move to the shoulder immediately and use hazard lights.
  • โš ๏ธIn an emergency, call 112 (Unified Emergency) or 1033 (Highway Helpline).

Frequently Asked Questions

What is the total length of the Chennai Peripheral Ring Road?
The Chennai Peripheral Ring Road has a total length of 132.9 km. It connects Ennore Port (Chennai) to Poonjeri (near Mamallapuram).
What is the current status of the Chennai Peripheral Ring Road?
The Chennai Peripheral Ring Road is currently under construction and is expected to be completed by 2027.
Which states does the Chennai Peripheral Ring Road pass through?
The Chennai Peripheral Ring Road passes through Tamil Nadu.
What is the speed limit on the Chennai Peripheral Ring Road?
The speed limit on the Chennai Peripheral Ring Road is 100 km/h.
How many lanes does the Chennai Peripheral Ring Road have?
The Chennai Peripheral Ring Road has 6 lanes (access-controlled).
What is the cost of the Chennai Peripheral Ring Road project?
The Chennai Peripheral Ring Road project has an estimated cost of Rs 12,301 crore.
What are the major cities connected by the Chennai Peripheral Ring Road?
The major cities and towns along the Chennai Peripheral Ring Road include Chennai, Thatchur, Sriperumbudur, Singaperumal Koil, Mamallapuram.
Who is the operator of the Chennai Peripheral Ring Road?
The Chennai Peripheral Ring Road is operated/developed by Tamil Nadu Road Development Company (TNRDC).
What are the key features of the Chennai Peripheral Ring Road?
Key features of the Chennai Peripheral Ring Road include: Built in five sections by TNRDC; Funded by JICA, AIIB and OFID with Tamil Nadu government support; Section 4 (Sriperumbudur-Singaperumal Koil) already operational; Around 79% complete as of 2026; Diverts port and freight traffic around Chennai city.

Planning a Trip on the Chennai Peripheral Ring Road?

Check out our road safety guides and expressway speed limits.

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