Public transport will be free for people celebrating New Year's Eve from midnight onwards.
Transperth has scheduled 113 extra train services, 125 extra bus trips and a number of extra ferry services to run after midnight.
Police Minister Michelle Roberts said free public transport means there is no excuse for drink driving.
"New Year's Eve is a wonderful time to celebrate and look forward to the year ahead," she said.
"Let's make sure we all get home safely.
"Police will be extra vigilant both at railway stations and at night spots across the State, to ensure people can enjoy New Year's Eve free from anti-social behaviour."
About 290 transit officers will be rostered on, further supported by a significant police presence across the city.
Free travel will remain in place until 6am on Wednesday, January 1.
Visit the Transperth website for more information about New Year's Eve services.
Mandurah residents encouraged to have their say on proposed 4.95% rate increase, Long Term Financial Plan
Developers sought for more housing in Rockingham
Lamp electrical fault deemed the cause of Parmelia house fire
Elderly man, woman injured in South Western Highway crash
Mayor denies Waikiki Primary School told to revert back to traditional siren
New AI safety cameras capture shocking images of unrestrained children
Woman arrested after fight breaks out at Cooloongup Salvos
Halls Head Football and Netball Club help tackle childhood hunger
Finalists celebrated at City of Rockingham’s 2026 Volunteer Recognition Awards