A new service launched on 7th April 2015 which should reduce congestion for commuters. The Route R service from Trumpington Park & Ride to Cambridge Rail Station runs at peak hours every 15 mins. The journey only takes 5 minutes as the bus runs on the Guided Busway and is thus unaffected by traffic jams on the roads. By parking in Trumpington P&R and taking the Route R bus, commuters could save themselves time and money. Here is a link to a flyer about the new route and here is one to a booklet with more info including prices and a timetable. There is also a 1-min speeded up video showing the route, and a link to further information if you require it.