The Road Safety Authority (RSA) and the Irish Farmers Association (IFA) are appealing to motorists to take extra care as the number of tractors, trailers and other farm machinery using the roads increases during the summer season.
The appeal comes as farmers and contractors have started cutting silage around the country.
Both the RSA and IFA want farming contractors and other drivers to remember to be mindful of other road users and to always be on the lookout for vulnerable road users such as cyclists and pedestrians.
The RSA says Farmer/Contractors should be aware of traffic building up behind them and keep left where possible and if safe to do so to allow other vehicles pass safely.