You searched for: “dromophobia
dromophobia (s) (noun), dromophobias (pl)
1. An abnormal panic of crossing streets: Fanny's grandmother was slow with walking and always took a cane with her when going into town, and she was affected by dromophobia when having to go across a road because she was slower than most people and was afraid that she might be hit by a car.
2. A morbid avoidance of walking, wandering, or roaming about: Dromophobia appears with people when they are afraid of hiking or going by foot because they fear the dangers associated with it, probably due to some accident-related experience they had before.