You have to go straight on until you reach crossroads. Turn right at the crossroads.

[tufguy]

Somebody walks up to us to ask for the address of a place and they don't have any vehicle then can we say "You have to go straight on until you reach crossroads. Turn right at the crossroads. Go straight on until you see KY building"

 

[emsr2d2]

If [STRIKE]s[/STRIKE][STRIKE]omebody[/STRIKE] a pedestrian [STRIKE]walks up to us to[/STRIKE] asks us for [STRIKE]the address of a place[/STRIKE] directions, [STRIKE]and they don't have any vehicle then[/STRIKE] can we say "[STRIKE]You have to[/STRIKE] Go straight on until you reach the crossroads. Turn right at the crossroads. Go straight on until you see the KY building"?

See above.