If you want fun in traffic, try the westbank. The only way around is via the 4th st bridge over the Harvey Canal, and I don't know any time when there isn't truck traffic. If you get to downtown Gretna, that is OK for a leisurely cycle, but how to get there? And heading towards Westwego / Bridge City is worse for trucks, plus the road isn't in great shape. Or you say try your luck on Lapalco? Not me. I guess there is the bike path under the Westbank Expy, but the way that meanders around and hits every cross street at mid-block is kind of a non-starter.
scott s.
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