Dougie Lampkin's stunt filmed by Red Bull TV
Viewers around the world are expected to see a motorcycle trials icon do a continuous wheelie around the TT course today.
Roads will be left-hand lane only between 5pm and 8:30pm tonight as 40-year-old Dougie Lampkin takes on the challenge - which will be filmed by Red Bull TV.
Strong to gale force winds may cause some disruption in the 37.7 mile attempt.
Warning cars will process behind him to ensure his safety.
Overnight sailings cancelled due to adverse weather
7:45pm Manxman crossing and its return have been called off
Rapist who 'terrorised' his victim told his sentence was 'entirely justified'
Fayle jailed for 18 years and 9 months
Complaints process for health system changed
Patients told to direct concerns to service used
Discovery of oiled birds 'makes a mockery of our biosphere status'
Manx Wild Bird Aid say it's a recurring problem in Peel