Staff touring area wrong to limit good advice to motorists

Longman Dictionary of Contemporary English Word definitions in Longman Dictionary of Contemporary English
noun EXAMPLES FROM CORPUS ▪ Fisher's study also suggested that recall was not a good measure of whether a road sign had been heeded. ▪ It didn't say Blackberry Hill anywhere, there was just an old-fashioned road sign saying Broughton Street was four miles ...

Wiktionary Word definitions in Wiktionary
n. A sign for the control of traffic or the information of drivers.