Police are currently carrying out an investigation into a serious collision at the 33rd Milestone.
As a result, this will affect the schedule for the first day of racing.
Organisers say everything has been pushed back by one hour, with roads now expected to close at 11am.
Today's races include the first Supersport and Sidecar TT Races, which will now get underway an hour later than expected.
Officers are carrying out an investigation into a serious RTC at the 33rd, there will be a delay to the road closure on the lower parts of the TT course. The roads are now scheduled to close at 11am to allow for the investigation. #TT2023 #knowyourlimits #keepingpeoplesafe
— TweetbeatIOM #RespectIOM (@TweetbeatIOM) June 3, 2023
One hour MEDS phone line outage this evening
Planning fireworks? Let the airport know
FOI reveals nearly 90,000 untaxed vehicles
Ramsey Remembrance service to be marked by maroon rockets
MEDS phone line to be down temporarily
Committee to examine link between poverty and poor academic performance
Police advice for trick-or-treaters to stay safe
How will Manx Care reduce the number of negligence claims?