This is the third topic of the World Highways Roundtable series of discussions. We asked three leading experts on machine control technology - from Leica Geosystems, Topcon and Trimble - to tell us how their solutions are helping the construction industry deal with labour shortages, an ageing workforce and a growing skills gap. If there aren't enough machine operators out there with knowledge and experience, how do we avoid a major crisis on site? Let's hear what our key opinion leaders had to say.