Serious and fatal crashes in the county increased by 3% between 2010-12 and 2013-15, with road safety performance falling behind Britain as a whole.
Unless improved, Northamptonshire will fail to meet international targets to halve road deaths within a decade.
From the A45/A6 junction (18) to A6 south of Rushden
9 serious crashes between 2013 and 2015
from the A427 roundabout north east of Corby to the A1175/A606 in central Stamford
69% reduction in serious crashes