Compass directions seem to be off in certain cases.

In this case, the direction for the same point changes from north to east, depending whether we cross or do not cross the next intersection:

Continue North:
http://map.project-osrm.org/?z=18&center=41.278502%2C-122.350244&loc=41.278488%2C-122.350734&loc=41.278512%2C-122.349753&hl=en&ly=&alt=&df=&srv=

Continue East:
http://map.project-osrm.org/?z=18&center=41.278510%2C-122.350024&loc=41.278488%2C-122.350734&loc=41.278524%2C-122.349624&hl=en&ly=&alt=&df=&srv=