Motorway metrology

Tim Clarke, Managing Director of OMS, writes about the challenges faced when carrying out robotic inspection around the M25 motorway, one of the UK's busiest roads.

The 117 mile long ring road provides an essential route for travellers and was originally built as a 3 lane motorway. The M25 is constantly being expanded to accommodate increasing levels of traffic, but despite this, the motorway was officially recorded as the slowest in the UK with an average speed of just 25 mph in 2016.

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