13 trains were delayed, 10 cancelled and one rescheduled due to fog causing low visibility in the national capital on Wednesday. Delhi was engulfed in fog on Wednesday morning.
In order to manage the train operations, the Ministry of Railways on November 29 announced a detailed plan for cancellation and frequency reduction of trains traversing through fog-affected areas. This plan was implemented from December 1 and would continue till February 13 next.
Fog makes the visibility very low and trains have to run on a highly-restricted speed to ensure safety of the passengers which leads to considerable delays in the movement of trains.
The status of these trains will be monitored consistently. keeping in view the intensity of fog.
-PTC News