The Romans The Romans The Roman Empire The Roman Republic The Imperial Age The Roman Army A Roman Fort Towns Building Technology Roads and Travel Farming and the Countryside Trade and Ships The Town House Family Life Food and Drink The Public Baths Entertainment Religion The Late Roman Empire The End of the Roman Empire	Surveying The route was surveyed using a groma. This was difficult to use. It had to be kept perfectly level and even a breeze could cause problems. The route was marked out with stakes.   Previous: Back Book: The Romans Section: The Romans Chapter: Roads and Travel