Mini Roundabout Quick Fit Sign Dia. 611.1 750mm 3mm Plastic RA1 (Face Only) | 750mmThe 611. 1 (Mini Roundabout Ahead) sign face is designed to be used to signal where there is a temporary roundabout. Where to use this sign is found with the Chapter 8 guidelines. We have all the possible size and finish variants available that may be required, from 3mm plastic substrates to high speed road compliant class 2 reflective faces. The 'Mini Roundabout' sign can also be found as QuickFit Endurasign or as a metal sign in frame.