
Vehicle movement will be diverted through either the Patenga-to-Anwara or Anwara-to-Patenga tube each night, depending on the work required.
The diversion will remain in place from 11pm to 5am.
Authorities said that passengers may need to wait between five and ten minutes at both ends of the tunnel depending on traffic volume.
Bangladesh Bridges Authority requested public cooperation to complete the maintenance work safely and efficiently, reports UNB.