http://shet.news/c2dio Copied! MONDAYâs hazardous driving conditions have resulted in a number of minor road accidents including two buses operated by R. Robertson & Sons sliding off the road near Sandwick and at Walls. No passengers were on board either of the buses and drivers escaped uninjured. A dashcam video sent in by a reader, meanwhile, showed difficult driving conditions near the Black Gaet and the Gulberwick road earlier on Monday. 2 of 14Adverts Shetland Islands Council said gritters have been out on the roads treating roads and clearing snow where necessary. People have been advised to drive with caution.