Below are the set of dos and don'ts on a SMRT trains. But well, some is really interesting... lol... lets see... those in red are funny.

PENALTIES
Regulation 52

Summary of offence with their maximum penalty

Trespass 500.

Smoking 500.

Bringing prohibited items of luggage 500.

Bringing animals 500.

Bringing dangerous goods 5000.

Sewerage, etc., placed on railway premises 1000.

Non-compliance with instructions 500.

Entering into or remaining in the train when it is full 500.
if the train is full really cannot enter liao, how to enter? and if it is full, then cannot remain in the train then how?

Feet placed on seats 500.

Consumption of food or drinks 500.

Spitting and littering 500.

Playing musical instruments, etc. 500.
musicians u hear that?

Causing nuisance 500.

Loitering 500.

Throwing missiles, etc. 5000.
to prevent terrorist? how they throw missiles using hands?

Wrongfully entering certain areas of trains 500.

Hawking, begging, touting, etc. 500.

Meddling, etc., with plant and equipment 5000.

Sitting on stairway or handrail of escalators 500.

Misuse of escalator 500.

Misuse of emergency or safety device 5000.

Misuse of platform screen doors 1000.

Wrongfully entering or leaving trains 500.
unless well u break the window to get in the train... well who will do it?

Damaging railway property 5000.

Causing obstruction and danger 5000.
those who like to sit on the floor one and at the exits one better be careful... sitting down there causing obstruction will cost 5000

Misuse of change machines 500.

Entering and travelling without a ticket or transferring article or goods between paid and unpaid area without going through gates. 2000.

Wrongfully using concession tickets 5000.

Damaging a ticket or damaged or expired ticket 5000.

Failure to produce or hand in tickets 1000.

Failure to pay fares, etc. 1000.
never pay fare how to board the train?

Leaving motor vehicles on railway premises 500.

Failure of vehicle driver to comply with signs 500.

Dangerous driving, etc. 2000.

Driving vehicles on certain parts or railway premises 2000.

Failure to hand in lost property 500.
if u found a wallet with money or pick up someone else hp please return hor, or else will be fine 500 if caught one....

taken from http://www.smrt.com.sg/smrt/systems_act/pg17.htm