Playing with cars while traveling isn't the easiest thing to do so I have found a few car travel tutorials to fix your car play travel problems!
Car carrier caddy from Homemade by Jill
Take and Play car carrier from Sisters Sisters
Hot Wheels book from Southpaw Crafts
and a favorite that we have shared before the DIY Magnetic Travel Activity Tray from Craft, Interrupted
What is your solution for bringing toy cars along while traveling?