Bus 27 is an express service that is active outside school holidays from monday till friday during morning and evening rush hour. This bus a good alternative for passengers that now for example use bus 24, 25 or 26 during rush hour. Bus 27 starts at station Den Haag Mariahoeve, and via a.o. station Den Haag Centraal and Den Haag Hollands Spoor reaches Randveen (Vrederust). The bus only pauses at several stops. This way, a fast connection exist during rush hour. Moreover, passengers have more chance at a seat in bus 27.