Location: US-90 and LA 109, Calcasieu Psh As 90 splits from I-10, we’ll immediately approach Louisianas 109 and 3112 Location: US-90 and LA 109, Calcasieu Psh Turn right for 90 east. Stay straight for 109 north. Location: US-90 and LA 109, Calcasieu Psh Turn right for 90 east, which moves to its original alignment towards … Continue reading U.S. Route 90, I-10 to LA-109/LA-3112