While rail, road and air traffic were affected due to dense fog in the national capital and nearby areas, people rarely ventured out of their homes due to bitter cold. Due to dense fog, 26 Delhi-bound trains were delayed. According to Indian Railways, trains arriving late in Delhi today include Howrah-New Delhi Purva Express, Dibrugarh-New Delhi Rajdhani, Jammu Tawi-New Delhi Rajdhani, Rajendranagar-New Delhi Rajdhani, Sealdah-New Delhi Rajdhani, Dibrugarh-New Delhi Rajdhani, Bhubaneswar-New Delhi Rajdhani, Ranchi-New Delhi Rajdhani, Bhubaneswar-New Delhi Duronto, Rewa-Anand Vihar Express, Azamgarh-Delhi Kaifiat Exp, Rajendranagar-New Delhi, Banaras-New Delhi, Ambedkarnagar-Katra Express, Pratapgarh-Delhi, Muzaffarpur -Anand Vihar, Chennai-New Delhi GT, Bhopal-Nizamuddin, Kurukshetra-Khajuraho, Jammu-New Delhi, Katihar-Amritsar Express, Jammu-Ajmer, Ferozepur-Sioni, Manikpur-Nizamuddin-Anand Vihar, Manikpur-Nizamuddin, Kanpur-New These include Delhi Shramshakti, Howrah-New Delhi Poorva Express, Saharsa-New Delhi Vaishali Express, Bhagalpur-Anand Vihar Exp, Rajendranagar-New Delhi and Banaras-New Delhi Express. Meanwhile, a thin layer of snow has spread on the surface of Srinagar’s Dal Lake. Many flights were delayed due to fog at Delhi airport.