my roller coaster even better

right and left are power assist. as on realy coasters they run out of momentum and use motors this does 2. these are toggled and not needed all the time. only the first car has motors.
b is for brake.
w and s lift the seats up. they are correct when the passengers are facing the floor.
e and d open or close the harnesses.
new features
- support collums
- improved lift(still jams sum times)
- non colliding carriages.
- stations at the start and end of track
- non reversing system at the end of the track
- hill for slowing down the carriages at the end
- people dont fall out of there seats unless you take off there harnesses.
please rate and comment for the new version
i have no future plans realy so please tell me wot it needs