Message Signs & Matrix Indicators 













SSL provide software, electronics and design and manufacturing services both directly to Government clients as well as via Colas IDS.  The technology we offer includes various types of message signs MS3, MS4 and Mobile Signs, plus Indicators including the AMI and the MS1. This technology equipment supply includes LED display boards, sign controllers, ambient luminance monitors etc.

   SSL electronics and software works 24x7x365 inside the most widely installed and best value motorway display equipment in the UK.