Dieses Routingbeispiel hat mich motiviert den "Wenden Verboten" Zusatz einzufügen.
https://maps.openrouteservice.org/#/directions/Zum%20Wetterbach,Lauchringen,BW,Deutschland/Unterer%20Eichwaldweg,Wut%C3%B6schingen,BW,Deutschland/data/55,130,32,198,15,97,4,224,38,9,96,59,2,24,5,192,166,6,113,0,184,64,14,0,232,6,96,9,159,1,24,40,19,128,86,10,3,102,32,118,82,31,212,128,104,1,102,112,166,216,48,0,204,91,144,238,181,187,23,192,192,55,17,98,196,27,54,173,66,183,94,27,243,53,163,207,147,90,163,170,85,109,223,45,6,33,56,128,128,1,213,60,8,137,176,229,0,11,202,0,91,92,21,155,93,189,1,0,6,111,0,3,110,139,130,11,13,15,0,6,228,128,14,96,11,70,12,141,5,98,0,30,132,30,141,14,136,134,1,23,135,153,9,233,239,155,14,139,2,0,11,227,84,0