A new road safety campaign is being launched in the Cotswolds after the number of accident deaths doubled over the last year.
The signs will tell people to keep their distance and slow down
Fourteen motorists have died in collisions already this year - more than double the number for last year.
From Monday large signs will be put on the A417 from Cirencester every 12 miles until they reach the Gloucestershire border.
They will remind drivers to keep their distance and slow down.
The Cotswold Road Safety Liaison Group is launching the Route Aware campaign in partnership Cotswold District Council and Gloucestershire County Council.
Although the overall number of casualties is falling in the Cotswolds, the collisions resulting in fatal injuries are still on the increase, according to the group.
County councillor Ray Theodoulou, chairman of the Cotswold road safety liaison said: "With about 6000 vehicles using this route through the Cotswolds every single day our messages will be seen by many road users.
"I hope that they will positively respond to our reminders and help to improve safety on this road."
Insp Dave Collicott said: "Some motorists say that a particular road is dangerous and my reaction is almost always to point out that roads in themselves are not dangerous, but it is the way in which some people use them.
"It is every motorist's responsibility to use the roads with care and consideration."