Andy Davies, Anwyl's technical director, said his workforce had discovered the proof that had eluded archaeologists.
BBC: Roman settlement uncovered by builders in Flintshire
2.
Superintendent Geraint Anwyl, head of the force's Operational Support Division, said drivers could expect the likelihood of being stopped by the police during this time to increase.
BBC: Police have urged drivers not to drink during the World Cup
3.
Jeremy Anwyl of Edmunds.com says the trend will reverse.