The energy-use argument strikes me as ... interesting. It's not that stopping and starting takes any less energy for a car (particularly avehicle without regenerative braking), but that the <i>rider's effort</i> is greater. In fairness, the article states this, but the distinction could be clearer.<p>It does highlight just how much of an efficiency loss frequent stop/start traffic is. In my experience, my most efficient travel (long distance at ~90 kph) is about 1.7x more fuel efficient than when I'm driving surface streets with frequent stops, based on liters/100km (US MGP ratings obscure this relationship).<p>As a cyclist, <i>in light traffic</i> I tend to the Idaho Stop practice. There are a number of rationales:<p>• The injury a bicycle can inflict is generally vastly less than that of an automobile.<p>• Cyclists almost always have much better visibility and awareness of surrounding traffic, with the possible exception of traffic to the rear.<p>• Bicycles generally accelerate much more slowly from a stop than motor vehicles.<p>However, <i>in traffic</i> scenarios, I tend to fairly studiously adhere to the rules of the road. Why? Predictability, and my own risk. If I'm following RoTR, drivers have a much better sense of where I'll be, and <i>I</i> am less likely to get into an unpredictable (and likely harmful) situation.<p>One other item: stop signs outside the US are often substituted for with "give way" signs (you'll occasionally see "yield" in the US). Where it isn't necessary to <i>always</i> stop, cautioning drivers (and establishing legal rights of way) is considered sufficient. Replacing intersections with roundabouts also addresses this through traffic flow.