The Buncrana Roads Policing Unit was out in force yesterday.
A number of Fixed Charge Penalty Notices were issued to motorists travelling in excess of the speed limit on the N13.
One driver was caught driving at 133 km/h, another was detected travelling at 125km/h and a third at 124 km/h.
Gardai are urging drivers to always leave a little extra time for your journey, take your time and you will increase your chances of arriving safely at your destination.