To dream that you are going up a ramp, signifies your struggles in achieving a goal. It is symbolic of your determination and ambition. If you fail to go up a ramp, then it suggests that you are not able to overcome your difficulties. There are still obstacles standing on your way.
To dream that you are going down a ramp, refers to some instability in your life.
A ramp often represents a transition, such as into or out of a process or activity.