In a series of further crackdowns on illegal cyclists in Oxford, police have been issuing fines to any rider caught without lights on their bicycle.During a road safety campaign, 55 cyclists were caught without lights on High Street and were issued with £30 fixed penalties.The road safety campaign, which earlier this month saw cyclists being fined for ignoring bans on riding down Cornmarket and Queen's Street, is part of a month-long awareness scheme run by Oxfordshire County Council.