•
2011: • The Indian government under former Prime Minister
Manmohan Singh announces metro rail projects for Tier-II cities, including Coimbatore. • The Tamil Nadu government, under former Chief Minister
J. Jayalalithaa, shelves the metro rail project in favour of a
monorail. •
2013: E. Sreedharan conducts a survey and announces that metro rail is a suitable transport option for Coimbatore. •
2017: • The Tamil Nadu government, under former Chief Minister
Edappadi K. Palaniswami, revives metro rail for Coimbatore. • The government announces the beginning of the Coimbatore Metro project by fiscal year 2017-18, with approvals from the state and central governments. •
RITES floats a tender for a topographical survey for the project. • A
site survey begins for the project. • A feasibility survey begins. • A group of engineers and the MLA of the constituency examines the portion of the metro route which clashes with the under-construction flyover, and an alternative route is sought. •
2022: • The Tamil Nadu government under
M. K. Stalin announces metro rail projects for Tier-II cities in the state, including Coimbatore and
Madurai. • Finance Minister
Palanivel Thiagarajan announces that the Detailed Project Report by CMRL is in its final stages, funds will soon be allocated by the central government, and construction will begin. • A DPR for phase one of the project is in its final stages. The first phase will be 44 km on
Avinashi and
Sathyamangalam Roads. • An
RTI request by Chennai-based activist Dayanad Krishnan revealed that CMRL is expected to complete phase one of the Coimbatore metro project in 2027 at a total cost of ₹9,424 crore. •
2023: • ₹9,000 crore is allotted for the Coimbatore Metro route between Avinashi Road and Sathyamangalam Road in the 2023-24 budget, and the DPR is to be submitted to the Tamil Nadu government. • CMRL managing director M. A. Siddique submits a DPR for the metro to Ramesh Chand Meena, Additional Chief Secretary of Special Initiatives. The Tamil Nadu government plans a metro project on Avinashi Road and Sathyamangalam Road in Coimbatore at ₹9,000 crore for 39- and 32-km routes. •
2024: • Siddique says that preliminary work for the metro is planned to start in January and February 2025. Land acquisition for the project is underway. •
2025 • The Union Government of India returned the metro proposals for Madurai and Coimbatore, citing the population of both cities as less than 20 lakh. However, the Tamil Nadu government raised concerns about what it called an “uneven application” of the Centre’s Metro Rail Policy, pointing out that cities such as Agra, Patna, and Bhopal despite having populations below this threshold, had been approved for metro projects. ==Corridors==