|Location Map ( geo)|
|Distance:||1.9 miles (3.1 km)|
|Meets:||A418, A41, A4157, A418|
|Route outline (key)|
The C78 forms a T-shape of roads northwest of Aylesbury. The Bierton - Broughton section has been proposed to be replaced by the Eastern Link Road. Stocklake, the route linking to central Aylesbury has been proposed to be upgraded with the Stocklake Link Road.