Two days after it announced a contract to work on the M6 motorway Carillion is on the road again, this time in Canada, where it has won a highway maintenance contract.Carillion Canada has been named as the preferred bidder for the Area Maintenance Contract for London, Ontario, a 12-year contract worth in excess of £100m.The contract will start in May 2012 and involves the provision of year-round routine maintenance services for provincial highways in the London area of Ontario. Under the contract, Carillion will also provide preventative maintenance services, when required, for which additional payments will be received, adding to the overall value of the contract.On Tuesday, the support services specialist said it had bagged a £104.9m contract to transform the section of the M6 motorway between junctions 5 and 8 into a so-called managed motorway.jh