Police say they've issued 178 speeding tickets so far this TT.
In an update, officers say four people have been arrested after being clocked doing more than twice the limit.
The Roads Policing Unit alone says it's made 25 arrests so far during the festival period.
And 22 people have been given roadside breath tests, with 11 drug wipes carried out.
TT limited-edition BMW bike could be yours... for £44,000!
No court for Konni after burnout outside bar
Team gives update after rider hurt during Supersport race
OK, so you're Brad Pitt? That DID impress us much!
TT racing update due this afternoon
All roads back open except Mountain
Racing cancelled for this evening