Just FYI:
https://malaysia.yahoo.com/news/very-heavy-traffic-expected-at-woodlands-tuas-checkpoints-across-good-friday-qing-ming-and-hari-raya-puasa-period-from-28-march-to-14-april-ica-045449657.html
Good to know, thanks.
Another reason to use the Shuttle Tebrau (train) if there are seats available.