Amaxophobia, hamaxophobia, ochophobia, or motorphobia is an abnormal or persistent fear of being in, or riding in, a vehicle. Amaxophobia is a clinical phobia classified as a specific phobia, fear of a single specific panic trigger.

Amaxophobic sufferers can't stop thinking about getting into a car accident and be injured or dead. Sometimes fixed ideas of being stuck or trapped inside a car are also present. Amaxophobic people are usually looking for jobs or careers that do not require car rides.

More Info: psychology.about.com