Oops - guess I read the original question wrong! Yes - the arrows show the route from Orient. I'm not sure if it would be as simple as reversing the arrows when going north because of all the one-way streets in Marigot. I usually just stay on the main strip (Rue de Hollande) when going north, and it seems to move OK, albeit slowly.

One side benefit of the southbound Galisbay route is that it takes you by Jeffrey's Fantastic Guest House and Auto Parts Store <img src="http://www.traveltalkonline.com/forums/images/graemlins/Smile.gif" alt="" />