. >> reporter: travel writer simon calder says london's noble pass is actually a drawback in the olympicsesence. >> the highway system is, frankly, a disaster. it was based on a plan originally put in place by the romans 2,000 years ago, and much of it hasn't improved very much since then. >> reporter: so, disruption is inevitable, especially with more than 16,000 uk troops deployed for security as well as hundreds of extra police. commuters have been warned to expect delays, or better yet, avoid them by staying home, advice that has infuriated some london cab drivers. >> they're going to gridlock the streets and not let us get around, and then they've got the affront of an absolute bear fight to say the olympics are good for me and for london. well, they're not. >> reporter: but the run-up to these games has already added festive touches and brightened the mood in a city that has needed a lift in this radius of rainy summers. now, i'm standing in a rare dry patch this morning, but literally, the rain has practically not stopped. people are so fed up. however, a bit of good news from the