Providing nationwide cover, our engineers are on-call 24 / 7 / 365 , to respond to systems incidents at our contracted sites. We receive and correlate alerts, by phone or automatically using our own in-house developed Carra Event Management and Maintenance System (CEMMS), to monitor and respond to automated event on 24-hour basis and provide on-site and remote maintenance engineering. 

Using the Carra Maintenance Management Method (CMMM) and applying "Lean maintenance methodology", we provide structured preventative maintenance to maximise the serviceability of a wide range of equipment such as ANPR camera technologies, tolling systems , Electric Vehicle chargers and a wide variety of traffic-related hardware and software.