Jammu, March 3 (IANS) The Jammu-Srinagar National Highway was closed for traffic on Wednesday due to a landslide that blocked the road near Banihal, officials said.An official said the highway was blocked by the landslide during the night.The highway has remained mostly open for one-way traffic this winter. The vehicles from Srinagar to Jammu were scheduled to move on the highway on Wednesday.The highway is a lifeline of the Kashmir valley and the main road link connecting Kashmir with the rest of the country.The Kashmir-bound trucks laden with essential supplies and other vehicles pass through the highway.The Mughal road which is a second road link connecting Kashmir valley with the Jammu region through Bafliaz in Poonch is closed due to snow accumulation. --IANS zi/dpb