you need the pokeflute
If you are reffering to the ones blocking the Kanto and Mnt. Silver all you need to do is beat the Elite 4.
Yon return to Victory road; there the man blocking the access to Mt. Silver will be gone; there you will find the final trainer to beat.
He is the sleeping pokemon blocking the entrance to cycling road and past vermillion city
he is in victory road.
there is a pikachu blocking the road right,after you found shaymin, you able to go trough the pikachu's blocking way,follow the road you will see breloom
it is where if you leave to go to the next town it is blocking the road or out of the park to the east
victory road
you need to beat all 8 gym leaders of kanto and climb mount silver near victory road, where the two policemenn were blocking the sides of the building. the champoin of kanto, Red, is at the top of mount silver.
Head to victory road and take down the Pokemon league!
victory road f1
you beat the pokemon league and if youre talking about the one on victory road you have to get the national pokedex
victory road or mt. silver or mt. moon