However, the effect of this choice distracts from the important information contained in the line weight property, because the wide diversity of bright colors climbs to the top of the visual hierarchy, though the colors communicate nothing about the nature of the service on each line. The Frequent Network is symbolized with a thicker line weight, but every line still has its own individual color, presumably to make it easier to trace each individual line across the network. This Southeast Portland shows the core of the city's Frequent Network. Portland Central Eastside, TriMet map (early 2015)
