The following suburban Electric Multiple Units have been cancelled on Saturday and Sunday owing to line block to facilitate engineering works between Villivakkam and Ambattur stations on Chennai–Arakkonam section: The Moore Market Complex – Avadi EMU leaving MMC (train no. 43027) at 10 p.m. and the Avadi – MMC EMU (train no. 43615) leaving at 11.15 p.m. on Saturday.
The Avadi – MMC EMU (train no 43002) leaving at 4 a.m. and Avadi – Chennai Beach EMU (train no. 43602) leaving at 4.20 a.m. have been cancelled on Sunday, a southern railway press release said.