Prompt Title: Yishun To Bukit Tiram

One possible route from Yishun, Singapore to Bukit Tiram, Johor Bahru is:

1. Take the North-South Line MRT from Yishun Station to Kranji Station. The journey takes about 6 minutes.
2. At Kranji Station, take bus service 170X or 170M towards Larkin Terminal. The journey takes about 25 minutes, depending on traffic and immigration clearance.
3. Alight at JB Sentral bus terminal, go through immigration and take a taxi or Grab to Bukit Tiram. The journey takes about 15-20 minutes, depending on traffic.

Alternatively, you can take a cross-border bus service from Yishun to Bukit Tiram, such as Causeway Link bus service CW3 or CW3S. However, these buses may have longer travel times due to traffic and immigration clearance. Do check the latest border restrictions and entry requirements before planning your trip, as they may change due to the ongoing COVID-19 pandemic.