Chennai traffic police will implement diversions and parking restrictions on New Year's Eve to manage crowds and prevent accidents at popular locations like Marina and Elliot's Beaches. Foreshore Service Road will be closed from 7 p.m. to 6 a.m., with vehicles exiting only via Lighthouse Junction. Kamarajar Salai, between War Memorial and Lighthouse, will also be closed to traffic during the same hours, with specific diversions for vehicles approaching from various directions.