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amaxophobia

n. fear of riding in a vehicle.

Wikipedia
Amaxophobia

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 riding in a vehicle will typically fear an accident and its consequences, especially injury or death. In addition, sufferers may fear enclosed spaces or being trapped in a vehicle. Amaxophobic people may try to look for jobs or careers that do not require car rides.

The term amaxophobia comes from the Greek ἄμαξα (ámaxa) or ἅμαξα (hamaxa), "a carriage" and φόβος (phóbos), "fear".