THE annual toll of deaths and serious injuries on Cambridgeshire's roads has dropped to a record low, according to the county council. The fall was eight per cent down ,from 458 fatal or serious injuries in 2005, to 421 in 2006. However, the figure has dropped by nearly 30 per cent in the past 10 years - traffic has increased by 24 per cent in the same period. These are the lowest figures since records began at Cambridgeshire County Council and also show a drop of 200 in the number of slight injuries on our roads, from 2,908 in 2005, to 2,711 in 2006. Accidents dropped last year by almost 200, from 2,460 in 2005 to 2,284 in 2006.