Happens on Canada for me - also somehow style related I guess... Exception in thread "main" java.lang.AssertionError: mdr20 value changed f=365176 t=365180 count=21030 at uk.me.parabola.imgfmt.app.mdr.Mdr5Record.setMdr20(Mdr5Record.java:129) at uk.me.parabola.imgfmt.app.mdr.Mdr20.buildFromStreets(Mdr20.java:116) at uk.me.parabola.imgfmt.app.mdr.MDRFile.writeSections(MDRFile.java:312) at uk.me.parabola.imgfmt.app.mdr.MDRFile.write(MDRFile.java:252) at uk.me.parabola.mkgmap.combiners.MdrBuilder.onFinish(MdrBuilder.java:338) at uk.me.parabola.mkgmap.main.Main.endOptions(Main.java:537) at uk.me.parabola.mkgmap.CommandArgsReader.readArgs(CommandArgsReader.java:128) at uk.me.parabola.mkgmap.main.Main.main(Main.java:117) -- keep on biking and discovering new trails Felix openmtbmap.org & www.velomap.org