id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
9546	Test for unnecessary layer number	naoliv	team	"JOSM could test for unnecessary layer numbers on highways/railways (and other ways that could fit into this).
For example, if a highway has layer=2 but isn't crossing anything with layer < 2, it could warn that the layer is possibly unneeded."	enhancement	closed	normal		Core validator		wontfix