1.0 An extensive and bigger MRT system because the project would have started in the early 80's.
2.0 Cheap and affordable cars. When PROTON was first launched, the price of Toyota Corrolla was RM20k per car.
3.0 More and more resources would have been spent on efficient public transport
4.0 Much less traffic jam, unlike now.
5.0 Less headaches and heartaches