Driving 
To dream that you are driving a vehicle symbolizes the road you're traveling through life. This dream is telling you about the manner through which you are traveling. If you can't see the road ahead of you, then you may not have direction in your own life. You don't have ambition. If the road is winding, this suggests that you are having difficulty reaching your dreams.
To dream that someone is driving you indicates that you are reliant on the person driving. You have lost power over your own decisions and follow others instead. If you are driving from the passenger side, then you are attempting to take charge of the direction of your life. You are starting to make your own choices.
To dream that you are driving a cab or bus indicates manual work with few chances to move up in the business.
To dream that you are driving in reverse indicates that you are facing challenges that seem to be holding you back. If you drive backward into water, then your feelings are keeping you from being successful.
To dream that you are driving drunk suggests that you have given up control in your life. Somebody is controlling you.
To dream that you drive off a cliff indicates that the more you achieve in life, the tougher it will be to hang onto that success. You may sense that getting promoted will be a double-edged sword. You could also be sensing that it's almost impossible to please everyone all the time.
Vehicle
To ride in a vehicle in a dream represents your life's speed and direction. Refer to particular vehicles for more detail.
The driver of a vehicle in a dream represents the person, or the aspect of yourself, or a part of your life, which is in control of your life's path. For example, to dream that your boss is driving you around indicates that your work has become the main factor in your life decisions.
To dream of falling from a vehicle indicates that you feel out of control.
To dream of crashing a vehicle represents a self-destructive action.
Race Car
To dream of a race car is a representation of your working nature and stubbornness. It may further represent how competitive you are and how strongly you feel the urge to win. The race car may also be a symbol for ethnicity and how you view it.
To dream that you are driving a race car is an indication that you live your life in the fast lane. You need to learn to slow down before your fast paced life puts your health at risk.
To dream of racetracks is another representation of your fast paced life. You are always trying to get ahead. Conversely, it may be a metaphor for the way you feel about your life. If you feel you are not making progress, but merely 'going around in circles,' the racetrack dream may be a common occurrence for you.
Tricycle
To dream of a tricycle signifies the end of tension and cause of worry in your life. It also denotes your straightforward and free-spirited nature.
Unicycle
To dream that you are riding on a unicycle represents that you are exercising influence and in total control of both business and personal situations.
Game Show
To dream of being a contestant on a game show may symbolize a petty disagreement with someone in your waking life. A game show on television speaks of an opportunity to see an argument from a different perspective, bringing light to the situation. You may have to release your feelings of pride so as to resolve this disagreement. Dreaming of a game show is suggesting that you may not have been entirely correct in your original judgment.
Paddleboat
*See Rowboat.
Skateboard
To dream of seeing or riding a skateboard represents your ability to make hardship and obstacles effortless to overcome. You have flair and self-control when it comes to dealing with difficult issues. This dream could also imply that you enjoy excitement and stimulation.
Bus Driver
To dream of seeing a bus driver represents your ability to take control yet work together with others as a team. It could also mean that you are confused as to which path to take in order to reach your goals. You cannot seem to get ahead in life.
To dream that you are a bus driver implies that you have chosen the correct path to achieve your goals, and you are reaching them fairly rapidly. Try to slow down a little and don't be too aggressive. In particular, if you are a school bus driver in the dream, this could mean that you will reach your objectives faster if you use experience and wisdom to guide you. Perhaps you have achieved a higher level of self-discovery.
Grindstone
To dream that you are turning a grindstone indicates success through strength and focused energy.
To dream that you are sharpening tools on a grindstone represents that your companions will always be available to help you when necessary.