To dream that your are hailing a cab, suggests that you need to ask for help in order to be able to move forward in some waking situation.
To dream that you are in a cab, indicates that you are being taken for a ride. Someone is taking advantage of you.
To ride in a cab foretells daily labor that you will enjoy. It will make for you a comfortable living. If you ride in the cab at night with one of the opposite sex, you will be in danger of telling your friends a secret that you should keep to yourself. If you dream of driving a public cab, you will work at manual labor with little promise of a salary, but you will enjoy yourself.
To ride in a cab in dreams, is significant of pleasant avocations, and average prosperity you will enjoy. To ride in a cab at night, with others, indicates that you will have a secret that you will endeavor to keep from your friends. To ride in a cab with a woman, scandal will couple your name with others of bad repute. To dream of driving a public cab, denotes manual labor, with little chance of advancement.