PLUS Malaysia expects a 14% increase in traffic volume on its highways during the Christmas and year-end holidays.The highway concessionaire predicts 2.12 million vehicles to ply its highways per day compared to 1.85 million on normal days.Motorists are advised to plan their journey using the MyPLUS-TTA digital itinerary and obtain the latest traffic information through various channels.The company aims to distribute traffic for a smoother and more comfortable journey during the holiday season.