To dream of seeing cars, denotes journeying and changing in quick succession.
To get on one shows that travel which you held in contemplation will be made under different auspices than had been calculated upon.
To miss one, foretells that you will be foiled in an attempt to forward your prospects.
To get off of one, denotes that you will succeed with some interesting schemes which will fill you with self congratulations.
To stand on the platform of a street-car while it is running, denotes you will attempt to carry on an affair which will be extremely dangerous, but if you ride without accident you will be successful.
If the platform is up high, your danger will be more apparent, but if low, you will barely accomplish your purpose.