Kross Town Traffic 666

Don't look at the car, it's the traffic lights I'm interested in. Last time I went to Sweden, we were driving trough Norrköping at night with my host Eric, and instead of slowing down for the trafficlights het kept on motoring on. Have to admit that first lights or two I kind of doubted his sanity. But seems that if traffic is low, and no-one is coming from the other sides, the lights turn to green for oncoming traffic. Handy, now isn't it.
It wouldn't be as much fun for the next Kross Town Traffic, as I plan on losing as many contestants as I can in our cruise trough Ghent.