What is the tagalog of road signs?

There isn't a single Tagalog word for "road signs". The most common translation depends on the specific type of sign:

General:

* Palatandaan sa Daan (literally: "Signs on the road")

* Karatulang Pangdaan (literally: "Road signs")

Specific:

* Senyales sa Daan (for warning signs)

* Tanda sa Daan (for directional signs)

* Babala sa Daan (for warning signs)

* Patnubay sa Daan (for directional signs)

You can also use the English term "road signs" and most Filipinos will understand.