Train Track Or Car

Hey everone iv’e been wanting to learn this alot.
I tried every posaabilty i kno9w.
But how can i get a car/Train to stay on tracks without going off it.
Say my car has two keys accelrate and deaccelrate.
If i go to fast the car will fall off.
If i go just right he will be normal guy and keep driving.

Please help need i badly.

cool, you’re notorious for bad grammar, spelling and lack of viable information in your questions. :wink: this example embodies that.

explain what you mean in a little more detail.
What do you mean by tracks?
Do you WANT the ‘guy’ to fall of when going fast? Or is that the problem you are having now?
By what means are you moving this ‘guy’?

a simple example wouldnt hurt

or an .fla???

Well.

I want a car to not go off tracks like train tracks.
So if i press,and hold space bar it goes faster and follows the track.So i just have to use the space br to go foward.

Like this but without it falling off the track.

http://www.coffeebreakarcade.com/games/slotcars/instructions.htm

AnyOne jeez i would like some hlp.