Hi all, attached is v5 of the patch, only change to v4 is corrected documentation of the options. Please test this with your data, if I hear no complains I'll commit it next monday. Note that the patch will issue an error message for each tile containing both drive-on-left and drive-on-right roads: Time started: Thu Dec 04 11:12:38 CET 2014 SCHWERWIEGEND (StyledConverter): e:\osm_out_work\africa\20130428_142650\63240015.o5m: Attention: Tile contains both drive-on-left (2963) and drive-on-right roads (27376) SCHWERWIEGEND (StyledConverter): e:\osm_out_work\africa\20130428_142650\63240022.o5m: Attention: Tile contains both drive-on-left (2029) and drive-on-right roads (31251) SCHWERWIEGEND (StyledConverter): e:\osm_out_work\africa\20130428_142650\63240023.o5m: Attention: Tile contains both drive-on-left (2820) and drive-on-right roads (20553) SCHWERWIEGEND (StyledConverter): e:\osm_out_work\africa\20130428_142650\63240025.o5m: Attention: Tile contains both drive-on-left (33305) and drive-on-right roads (39882) ... Let me know when this causes trouble! A compiled binary based on r3361 is here: http://files.mkgmap.org.uk/download/235/mkgmap.jar Gerd