This morning at Jalan Serindit 1,a heavy traffic jam is caused by a lorry slip down and block horizontally on the way down the hill.The originally 2 way street is blocked and only the way to Jalan Wawasan is accessible.This incident has causes a heavy jam on the whole Taman Wawasan road. Riders are advice to drive carefully especially on rainy day and give more patient if you are stuck in the traffic.