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Hazard warning technology helps farmer safely move cattle

Hazard warning technology helps farmer safely move cattle 1Coeval came to the assistance of a Derbyshire farmer who faced frequent issues and challenges moving cattle between his field and the farm across a busy stretch of the A515, Cubley Common in Ashbourne.


Trying to move a herd of approximately 20 adult cows from field to farm and vice versa, whilst crossing a busy ‘A’ road, is no easy task. Once the road was temporarily clear, he would often have to simply commit to crossing with the full herd. The farmer was unable to warn oncoming drivers, who could be travelling up to 40mph, of the situation ahead of them.


The existing plate signs were replaced with a Coeval solar powered radio frequency activated system supported by electronic wig wags. Wig wag lights are commonly used at level crossings and emergency stations like fire or ambulance to warn and stop approaching traffic. The wig wags were positioned beneath the cattle crossing sign, with supplementary signs advising the distance from the cattle crossing, on either side of the road. The farmer activates the wig wags via a hand-held transmitter, which has a 1.2mile range (2km) from the side of the road, to advise oncoming traffic that cattle are crossing and there is a hazard ahead.

Key Highlights

  • Alerts drivers of sporadic hazards from 225 yds
  • Fully controlled by the farmer
  • Activated via hand-held transmitter
  • Transmitter has range of 1.2 miles
  • Wind and solar powered options for improved sustainability


Hazard warning technology helps farmer safely move cattle 2

The farmer now has confidence that when he’s moving his herd, the hazard for both the cattle and road users, is vastly reduced – keeping all involved safe. A simple and effective solution for warning motorists of sporadic road hazards, this system can be used for similar schemes such as school crossings, horse crossings, and more. This is another great example of how Coeval’s technology is adaptable, sustainable and transferable.

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What our clients say

Connect Plus Services M25 Dartford Crossing

‘Even a short closure of the tunnel causes great congestion in the area, and if an over height vehicle were to cause that level of damage, the tunnel could be closed for hours, if not days, which would bring the whole of the South East of England to a standstill.

When the Coeval over height vehicle detectors were first installed, we were talking about 10’s of vehicles a day that we were stopping; we are now down to low single figures, 4 or 5 vehicles a day we need to extract for being over height, so it’s a great improvement in efficiency through the crossing.’

Platinum Electrical Ltd

‘Having used Coeval for the first time, we found them to be friendly and really helpful in ensuring we received the correct item we required. We were happy with the extremely quick response times and professional service they offer. We would definitely recommend their services to others.’

Gloucestershire Airport

‘Thank you for your prompt and efficient service regarding our request for training on the 21st of August. You guys have been incredibly helpful over this.’

City of Edinburgh Council

‘Coeval won the tender for the replacement overheight vehicle detector systems. The work was completed within programme and budget. We are now satisfied that the new systems will help protect the bridges for several years to come.’

Swindon Borough Council

‘A sound, honest and efficient service provided by Coeval. Would be very happy for Coeval to manufacture and supply more of Swindon’s signs.’