Motorists in Langport near Somerset will face the hefty diversion for the 700 metre road closure which is estimated to take over an hour to reach the other side of the road. A stretch of the A372 at Aller near Langport will be closed while resurfacing work is carried out on the tarmac.
There are several ways drivers can unofrfivclaly pass the closure but these roads may not be suitable for some transport.
Unofficial routes may be tighter and more dangerous than A roads and drivers must take care if they are travelling in some types of vehicle.
Heavy Goods vehicles and larger machinery should avoid the smaller country lanes which could put drivers at risk.
The latest diversion is not the first time a length diversion was put into place due to road closures.
Somerset Council issued a diversion which would take drivers one hour and 11 minutes to complete while taking in sites such as the venue for the Glastonbury Festival.
The stretch of road would usually take just one minute to travel over as just 0.4miles of road were closed.
Dorset County Council issued a 41 mile diversion while a small 20 metre section of road was closed in October last year.
The diversion saw motorists diverted from Godmanstone all the way to Yeovil and Middelemarsh due to the roadworks.
Estimates of the diverted route compared to the usual journey length revealed the trip was over 3,500 times longer than it should be.