Age UK have useful guidance on driving for older people on this page. They also have a print guide.
often have long records of safe driving
are the least likely to be involved in an accident (statistics for drivers aged over 55)
have greater chances of being seriously injured - those over 65 are frailer and more vulnerable
However, the roads are very different these days with more cars driving faster and more aggressively and new road layouts like multi-lane junctions that some drivers find confusing. Drivers have particular difficulty with junctions, merging traffic, right turns and busy roads.
Many people find their abilities change as they get older, especially if they have health problems, and these changes may affect the way you drive.
New technology is available, which can help many older drivers.