Check out the latest version of Routino: svn co http://routino.org/svn/trunk routino
Detect the "cycleway=opposite_lane" tag and allow bicycles to travel in both directions along those highways. Based on parts of https://github.com/cgravier/routino-2.6-bikeopposite-elevation/commit/47d68b37f1ea0d2f967ea6aa1555991747491200 https://github.com/cgravier/routino-2.6-bikeopposite-elevation/commit/764832f2671e6f6d8176be65cea3992bd1a488d3 https://github.com/cgravier/routino-2.6-bikeopposite-elevation/commit/37af908880c045309fba1125c4d683f6925f7d25 by Christophe Collard.
trunk/doc/TAGGING.txt