Hi Jason Ng!

To install your OBU in Tampines, you can find a list of LTA-authorized workshops on the OneMotoring website:

https://onemotoring.lta.gov.sg/content/onemotoring/home/driving/ERP/ERP.html

or you can contact customer service hotline at 6458 4555 for OBU-related inquiries, and can contact 6697 5217 for Vehicle Fleet OBU Installation,

Thank you!