Routine maintenance work will cause traffic diversions in the Karnaphuli Tunnel, Chattogram, from September 25 to 30, the Bridge Authority has announced.

Traffic will be regulated nightly from 11 PM to 5 AM, with diversions alternating between the Patenga-to-Anwara and Anwara-to-Patenga tubes as needed.

Commuters may face delays of 5–10 minutes depending on traffic volume. Authorities urged public cooperation to ensure safe and efficient maintenance operations.