Route 8 is in Kanto. Ruby takes place in Hoenn.
You can find it at route 32,3,7 and 8, the safari zone GTS or migrate from pokemon ruby or sapphire
The safari in Pokemon ruby is located at the right of the route 121, near Lilycove city.
it is on route 120
Route 116
The Day Care in Pokemon Ruby is on the route West of Mauville City.
There's No Such Place Of Route 0 In Ruby/Sapphire/Emerald/FireRed/LeafGreen.
seedot route 203/4 nuzleaf route 229
Route 115
route 35
on route 104
route 102
route 345