
Vanderbilt starts Traffic with what might be one contentious issue when it comes to traffic. It comes from those lanes that force traffic to merge, most prominent for construction zones. These are made worse during heavy traffic and usually the lane that ends usually ends up being empty for the 500ft or so. Empty except for those punks who decide to merge at the last possible moment. These folks cause enough ire among the other drivers that they will not let these late mergers in. Most of thoses are the early mergers who are insensed at the ego of the later merger. I confess to being an early merger with a intense dislike of the late mergers.
My intense hatred has tempered since reading Traffic. Vanderbilt makes a case, one that is easy accept since he too used to be an early merger (he's like a traffic brother in that respect). The fact is late mergers actually help the flow of traffic, because they utilize all of the available road. In the end the amount may not be signigicant enough to end a traffic jam, but you have to hand it to them for being gutsy, even if it is ultimately for a selfish reason.
I am against metering lights for sure. To me they just move the traffice jam to the side roads. According to Vanderbilt, they are acually good and overall help the freeways move more vehicles during rush hour. It's compared to pouring rice into a funnel. If the rice is just dumped in there all at once, then it jams and less rice gets through. When the rice is poured at a slower, steady rate, more rice gets through the funnel much quicker. Metering lights do much the same thing, at least in theory. I'm notactually 100% against metering lights as much as I'm not sure I'm convinced that they really work. They still seem to just move the traffic jam and I've been on freeways with metering lights where traffic moves as if there were no metering lights. I'm willing t o accept the theory and trust that they work, but cynically.
The most fascinating chapter by far is entitled "When Dangerous Roads Are Safer". It makes sense when you think about it. On the windy mountain roads with a 1000ft drop and rusty & rotten guard rails we tend to drive more caustiously. In these instances we can percieve the true danger of the situation. It's the same with snowy roads. Though there tend to be more accidents, most are not near as fatal as crashes in good weather. Because we compensate for the perceived danger, the accidents that do happen, happen generally at lower speeds. It's this phenomenon that explains why so many accidents happen so close to people's homes. There is the fact that more driving is done here, thus there are more opportunties for accidents. In addition to that, people are more complacent on familair "safe" roads that they drive regularly. In these situations, folks pay less attention to the road and are less likely to notice dangers. They drive as if they are on a safe road, oblivious to the inherent dangers.
I liked the book as a whole. I did get bored in parts. The research appeared pretty solid, but Vanderbilt failed at times to keep my interest. I came away with a new understanding of traffic and an appreciation for what municipalities have to do in order to keep things flowing. After reading the book, I am now more in favor of toll roads, at least freeways. I think that actually has potential to cut traffic more that the metering lights. When the highway funds come out through taxes, nobody considers the cost, however, if folks have to use their wallets on a regular basis it might cut usage at least a little.