Down in darkest cornwall virtualy no street lighting and road markings are generaly covered in mud. Soon as your lights go on they seem to be absorbed by the bushes, hedges and trees, hence the need for good lighting.
Also in recent years, the deer have become so common they almost graze like cattle in the fields. Very dodgy at night, there have been lots of incidences just recently. Do Halfords do a clip on body heat detector ?