Autistic children often have issues with motion sickness and may have difficulties with traveling for long periods of time. It is important to take frequent breaks while on a long journey with a child that has Autism. Children with Autism should also not eat much while traveling as it might upset their stomachs.
Locate the places that could scare the child.
Show him photos of the site beforehand: This will make him feel calmer when he arrives.
Take a means of transportation that suits the child's tolerance: Taking into consideration how long the trip will last.
Choose hours where they avoid agglomeration of people.