W elcome to Britain! The line forms to the right. Here are some tips for Olympic visitors hoping to get the most out of their experience.

When in doubt, queue

For many visitors, their first experience of the great British tradition of lining up will be at Heathrow Airport. Europe's busiest air hub has been making headlines over the past few months for its long waits at immigration. Officials promise the problem has been fixed for the games, but -- fear not -- visitors will have plenty of other opportunities to stand in line at post offices, bus stops, subway stations and the entrances to the Olympic Park.

British lines are usually orderly, often elaborate and full of gallows humor. Be patient and don't try to barge ahead -- all attempts at queue-jumping will be met by glares and furious tut-tutting.

Drive on the left,

stand on the right

British cars drive on the left, which can provide a potentially lethal surprise to visitors not from Australia, Japan, or the other handful of countries that do the same. When walking, remember your mother's advice and look both ways before you cross the street.

In London Underground stations, the same rule applies: keep left while moving. This is especially important on escalators -- nothing annoys commuters more than tourists blocking their progress. If you remember only one thing about London etiquette, let it be this: stand on the right side of the escalator, walk on the left.


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Get a round in

Britons take great pride in their sense of fair play. Many visitors will encounter it in pubs, where each member of a group is expected to take a turn buying a round of drinks for everyone. Buying a drink only for yourself is considered exceptionally rude.

Tip modestly

American visitors are advised to pare back the amount they tip for services in Britain. In restaurants, it's customary to add 10-15 percent to the bill. In pubs where you order and pay at the bar, tipping is unnecessary.

Many locals do not tip taxi drivers -- although visitors will find that London's famous cabbies possess a detailed knowledge of the city that often comes in handy. Any tip will be gratefully received.

Accept slimmed-down portions

Like tips, restaurant portion sizes are often smaller in Britain than in the United States and some other countries. Two U.S. diners at London's Oxo Tower restaurant were recently heard remarking about their tiny portions and the sizable prices.

"Meals are definitely bigger and cheaper in Texas," one man remarked as a waiter brought him three small venison slices with a squirt of puree.

Enjoy the wordplay

North American visitors will quickly learn that many common, everyday items have different names in Britain -- fries are chips, a sidewalk is a pavement, pants are trousers and underwear is pants.

"Pants" is also slang for bad, rubbish, lame -- just one example of the delight Brits take in coining new words and phrases.

The Olympics has added a trove of new phrases. They include jubilympics -- the period from the queen's Diamond Jubilee in June through the Olympics, which end Aug. 12 -- and omnishambles, a word first applied to government screw-ups that has been used to describe the crisis-prone buildup to the games.

-- Associated Press Writer Paisley Dodds contributed to this report.