Niavesh tunnel: both lanes closed from midnight to 5 AM

Niayesh Tunnel in Tehran will be completely closed on 2025/04/20 from 11:59 p.m. until 5:00 a.m. the following day. The closure is due to the completion of repair, maintenance, and calibration operations of tunnel equipment. This measure will affect both directions of the tunnel.

• Repair and maintenance operations of Niayesh Tunnel include calibration of its equipment.
• The tunnel closure is scheduled from 11:59 p.m. until 5:00 a.m. the following day.
• Both lanes and routes of the tunnel will be blocked during this time period.
• Media outlets have reported uniformly on the complete tunnel closure.. Coverage difference: Iran Watch provided more precise details regarding the type of operations conducted (repair, maintenance, and calibration) and the specific date of the intervention, whereas IRIB News Agency issued a more general statement without technical details.