Bike infrastructure in Berlin has some different features to that of the US. First, cycle tracks (bike paths) separated from traffic and placed next to the sidewalk are a common feature. Yet, bikes are not always well separated from traffic. For instance, motor vehicles, the tram, and bikes share the same space in the Boxhagener Street (was part of my daily bike commute). In this environment, cars quickly accelerate to pass around bicyclists, which can be a bit intimidating.
There are bike turn lanes and turn-specific signals.
Although pavement paint is not used everywhere, the color red designates space for bicycles.