A coach trip around the "iconic" M25 offered by a Brighton bus company has sold out.
The trip - the first of four planned throughout the year - involves a four-hour drive around the world's biggest ring road for the bargain price of ?15.
Among the thrilling sights en route are Epping Forest, Heathrow Airport's Terminal Five, Lakeside shopping centre and "the magnificent" Dartford River Crossing bridge.
Of course, there are many more exciting things to snap pictures of for the family album and it all comes with with guided commentary to give "a whole host of fascinating facts" about the UK's most talked about road.
And if that was not enough excitement for you, passengers will not be told in advance which way around the ringroad they will travel.
"We'll drive you up the A23 and A25 to begin our tour at Junction 7 on the M25," says the Brighton & Hove Bus and Coach Company blurb
"We're keeping it as a surprise whether we'll travel clockwise or anti-clockwise but suffice to say, all the great opportunities to see the amazing sights around this iconic motorway will be available."
The AA is surprised there is much appetite for such a tour of what is sometimes described as the road to hell.
"Drivers who use the M25 on a regular basis will probably think it a bit macabre that people would want to see them in their daily plight," a spokesman told Sky News Online.
"The only gamble would be whether it is a good way to get a geographical orientation course for someone like a Japanese tourist who has limited time but wants to know which roads to take to get around Britain perhaps?"
The motorway was opened in 1986 by the then-prime minister Margaret Thatcher as a bypass to England's capital city.
It was the most expensive motorway ever built in Britain with the 11-year project costing just over ?900m, the equivalent of ?7.5m a mile.
By the time it was officially opened, it was already out of date because so many people wanted to use it. As a result, it usually has among the worst traffic jams of any road anywhere within the UK and regular roadworks
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