Traffic flow at certain stretches of the North-South Expressway was slow, especially between Nilai and the Seremban Rest and Recreation area as at noon today.

A Plus Expressways traffic control centre spokesman said traffic was also at a crawl between Johor Baharu and Singapore.

"The traffic flow on other major routes was steady," he told Bernama.

Meanwhile, a Malaysian Highway Authority (LLM) spokesman said traffic flow was slow from before the Gombak toll plaza to Genting Sempah.

The public can obtain traffic updates through the toll-free Plusline 1800-88-0000 and www.twitter.com/plustrafik, or the LLM toll-free line 1800-88-7752 and www.twitter.com/llminfotrafik.