
A Causeway jam looks likely on Fri 20 and Sat 21 November. A community forecast rates traffic to Johor Bahru as High on both days. The same tool rates Sun 22 November High towards Singapore. The weekend follows the Deepavali rush at Woodlands and Tuas.
The forecast comes from Causeway Weekly, an open-source project on GitHub. Its bot posts a new issue every Sunday at 6pm Singapore time. The latest is dated 9 November and covers 10 to 23 November.
Overall, here is the day-by-day outlook, the border rules to check and the next busy dates.
Which days look worst on the Causeway

Tue 10 November is rated Low to Johor Bahru and Medium to Singapore. The tool notes that Johor school holidays end that day. Therefore, early-morning traffic towards Singapore may be heavier than usual.
Wed 11 and Thu 12 November are rated Low both ways. Fri 13 and Sat 14 November are Medium towards JB. The tool cites the Friday evening exodus and the Saturday morning crowd. Likewise, Sun 15 November is Medium towards Singapore as people return.
Meanwhile, Mon 16 to Thu 19 November are all rated Low in both directions. Moreover, Mon 23 November is also Low. These are the calmest days in the fortnight.
Fri 20 and Sat 21 November are the worst days towards JB. The tool lists the start of Singapore school holidays as the reason. Meanwhile, Sun 22 November is rated High towards Singapore.
Rules that can slow you at the checkpoint
Queues are not the only delay. Since 6 October, the tool says, the SG Arrival Card cannot be filed without a valid Singapore Vehicle Entry Permit. That applies to every passenger in a foreign-registered car.
Since 2 November, unpaid Singapore traffic, parking or emissions fines also block a VEP application or renewal. The tool links this to a Singapore government release. Moreover, the permit fee rises to S$50 a day on 1 January 2027.
Read more: Woodlands and Tuas brace for heavy traffic on 6 to 9 November
Read more: Singapore border changes on 1 Jan 2027 hit drivers and taxis
Read more: More JB-Singapore cross-border taxis from 16 November
Motorcyclists have a new option too. From 15 October, riders and pillion passengers leaving Singapore through Woodlands can use face recognition at selected departure car lanes. As a result, check the lane signs before you queue.
Taxi riders will also see a change. From Monday 16 November, the tool says the cross-border taxi scheme grows from 300 to 500 licensed taxis per country. Our earlier story has the details on the extra JB to Singapore taxis.
How to plan the next few weeks
After 23 November, the tool flags Fri 4 and Sat 5 December as the next big jams towards JB. Singapore school holidays continue then, and Johor school holidays begin. Furthermore, Thu 24 and Fri 25 December are marked busy because of Christmas Day.
Sun 3 January is the next heavy day towards Singapore, when both school holidays end. Looking further ahead, the tool marks 5 to 7 February around Chinese New Year. Meanwhile, the RTS Link is targeted for February 2027, subject to final approval.
Treat the Causeway jam ratings as a guide only. The tool does not say how it defines Low, Medium or High, and it is not an official source. However, its calendar reasons, such as school holidays and public holidays, are easy to check.
In short, skip the Causeway jam if you can. Avoid Fri 20 and Sat 21 November towards JB and cross on 17 or 18 November instead. For live checkpoint traffic on the day, the tool lists the Singapore immigration authority’s CHECK-TIPS hotline at 6863 0117.








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