|From:||Over Kiddington (SP414217)|
|Distance:||16.2 miles (26.1 km)|
|Meets:||A44, A4260, A4095, A34, A40|
|Old route now:||A4095|
|Route outline (key)|
The B4027 is a rural B-road to the northeast of Oxford.
It starts on the A44 to the south of Over Kiddington and heads southeastwards. After winding to cross the River Glym the first village reached is Glympton. After a mile the road skirts Wootton after which it crosses the River Dorn and then climbs steeply out of the valley. Presently it reaches the A4260, which it crosses by a staggered crossroads.
Soon afterwards the B4027 meets the A4095 and multiplexes along it for a short distance, crossing the River Cherwell, Oxford Canal and Banbury to Oxford railway line in this time. At both ends of the multiplex the A-road has to TOTSO emphasising the fact that this section was originally numbered B4027 and the A4095 came later.
After passing through Bletchingdon the road reaches the A34, which is accessed by a simple GSJ. The road now heads south into Islip. It crosses the Oxford to Bicester railway line by Islip station before reaching a one-way system in the narrow streets of the village centre. Southbound traffic takes the direct line then has to give way to northbound traffic which runs one block further west. The River Ray (a tributary of the Cherwell) is crossed before the road climbs up to Stow Wood and the village of Stanton St John.