i) WARNING SIGNS :- It is also called as cautionary signs. These signs indicate to traffic where some precautions is required for the safety traffic.
Eg :- Junction , Shaped bend, hill or ghat road , school zone etc.,

ii) PROHIBITORY SIGNS :- These signs indicate to the traffic, that the use of _______ is prohibited or parking at a certain place is prohibited. Etc.,

Eg:- no entry, speed limit , no U-turn , no parking etc.,


iii) MANDATORY SIGNS :- These signs indicate to the traffic to cornply with certain regulations of traffic.

Eg:- Halt , step , goslow , keep left etc.,

iv) INFORMATORY SIGNS :- These signs convey certain information.

Eg:- Route Identification , directional signs etc.,


v) TEMPORARY SIGNS :- These are signs which are used at the time of
construction of repair etc.,