Book your mobile Roadworthy now SAB Safety Certificates conducts over 3000 Mobile Roadworthy inspections each year. Over the years we have developed a list of the most common roadworthy defects. outlined below are the most common items which are picked up at the time of a mobile roadworthy inspection. CV http://safetycertificate26923.pointblog.net/Most-Common-Roadworthy-Fails-30097507