One crew from Aylesbury, one crew from Buckingham and one crew from Leighton Buzzard attended a fire involving roadside vegetation.
Firefighters used four hose reel jets to extinguish the fire, which involved an area of grass and undergrowth measuring approximately 75m x 20m.
Police assisted at the scene and a full road closure was put in place whilst crews worked to contain the fire and prevent further spread.
firefighters remained on scene carrying out damping down operations to eliminate remaining hotspots.