Roundels have courted controversy ever since the first drawings of the junctions were issued
A taxi drivers' representative has expressed concern over the lack of clarity surrounding the use of the Douglas promenade roundels.
Secretary of the Unite Union's Taxi Branch, Mike Birchall, says that while many drivers treat them as normal roundabouts and give way to the right, others don't.
Manx Radio's Simon Richardson investigated the issue:
TT electronic flag system being tested tomorrow morning
£4 million needed to address critical building and infrastructure issues at RDCH
'Leave your sausage at home' this TT
Two Island roads reopen following diesel spills
Car dealer raises more than £26,000 for Rebecca House