A blue sign with a diagram showing the left lane exiting and two others continuing, and the following text.
Left lane destinations: Letchw'th; Baldock; A505 [Solid triangle diversion symbol].
Right-hand two lanes destinations: The NORTH; Peterboro'; A1(M).
Junction number: 9.
Letchworth Garden City, off to the left at this junction, is home to the UK's first roundabout.