From Rickmansworth Railway Station line 724 bus to Uxbridge then line 3 bus to Slough Town Centre, Queensmere Car Park (Queensmere Shopping Ctr). 1 h 5 min £7. From Rickmansworth taxi to Slough. 20 min £70. From Rickmansworth drive to Slough. 20 min £3.
Bus from Rickmansworth to Slough
Green Line (operated by Arriva) operates a bus from Rickmansworth to Slough every 30 minutes. Tickets cost $5 and the journey takes 23 min. Arriva UK also services this route every 15 minutes.