Scaffolding direction

Im about to make an app that include:

1- ( vehicles ) /scaffolding vihicle 2- (activities)/scaffolding activity

if i want to scaffold car /and to scaffold motor

how i can make the direction of the scaffolding

appname.com/vehicles/cars

and

appname.com/vehicles/motors

…etc

appname.com/vehicles/cars/carcompanies/caremodel

Thank you.