The latest SID data from the unit on Colne Road has now been published. Click here to access the full document. The highest speeds recorded were 58mph (incoming where you see the display) and 68mph outgoing. However, the average speeds were a refreshing 23.45mph (incoming) and 23.43mph (outgoing). 95.49% (46,938) of all vehicles were travelling… Read the rest “SID Data”