Singapore is good connectivity in terms of transportation whether its MRT (metro service) , bus sevice or Taxi service and as a tourist we never faced an issue travelling to any destination because there were signboards everywhere to guide us.
MRT ( Mass Rapid Transit) Singapore

The connectivity is superb of MRT and it connects the whole Singapore.The signboards and the map helps a passenger to get to their specific destination.
Bus service

The bus numbers are mentioned on the specific station and the buses have the end destination mentioned on the digital display of the bus.Its easier to have your google maps turned on.
**** you need to have an EZ-link card which is used for both MRT and bus which as a tourist you can apply it online for a Singapore tourist pass which is on an expensive side and mostly for 3 days or you can purchase an EZ–Link card over the counter at any MRT station, bus interchange, or 7-Eleven in Singapore. The EZ–Link card costs SGD 15 – SGD 5 covers the cost of the card (and is non-refundable), and SGD 10 is a consumable amount that needs to be “topped up” as the card runs low
Taxi service

You can get a taxi in and around all the places and if you wanna book them you can download GRAB which is perfect in choosing your taxi.There are many other taxi services and we used GRAB and was very much satisfied by their services.The best part about the taxi service is they are very genuinely priced and they have their starting rate (flag down) mention outside the taxi which is very helpful.