Cab, (taxi) dream meaning is explained below using 2 different sources. Each interpretation is shown with its source.
Interpretation 1 — Michael and Elizabeth Thiessen
Pleasant occupations and average income is denoted by a dream of riding in a cab alone; with others, scandal or gossip will plague your footsteps. Driving one may show you are in a dead end job, doing manual labor with no chance of advancement.
It is warning you to find another occupation.
Source: Encyclopedia of Dreams • Author: Michael and Elizabeth Thiessen
Interpretation 2 — Raymond Buckland
To ride in a cab is to have good fortune. Some Romanis say it indicates that a short but pleasant vacation is coming.
Source: Gypsy Dream Dictionary • Author: Raymond Buckland