The constabulary is increasing its presence on popular bikers roads during this years Southern 100.
The Roads Policing Unit says more patrols are in place on the Mountain Road and other highways frequented by motorbikes for the duration of this years event.
Officers added its due to the number of visiting motorcycles and additional speed detection will take place across the Island and unmarked bikes will also be used.
The races - which are taking place on the Billown course - are running until Thursday.
Get your home ready for winter, says government
No date for scrapping tax discs, says minister
Six-hours of broadband work could bring "potential disruption" tonight
MHK feels 'ignored' over 20mph consultation
Northern lights put on show for Island residents
Fire station parking could cost lives, warns Fire Service
Sea kayakers to take on 24 hour marathon for charity this week
Fancy owning a TT bike?