Travel advisories are in effect for pooling water on several Vancouver Island Highways. Drive B.C. issued warnings Saturday morning that heavy rainfall had caused water buildup in several locations: Trans-Canada Highway north of Duncan, between Herd Road and Mount Sticker Road. Highway 4, between Wick Road and the Taylor River rest area. Highway 19, from Cook Creek Road south of Cumberland to Sayward Road north of Campbell River. There are also high winds in the area.