SINGAPORE: Heavy traffic is expected at both the Woodlands and Tuas checkpoints over the upcoming Deepavali long weekend.  From Oct 17 to Oct 20, travellers should expect longer waiting times to clear immigration, the Immigration and Checkpoints Authority (ICA) said on Monday (Oct 13). ICA added that the longer waiting times are due to the upcoming long weekend as well as the authority's intensified checks against the smuggling of e-vaporisers.  Travellers are advised to check the traffic