Building a new lifelineKeith Regan reports on the approaches to environmental sensitivity and financial viability taken by a massive roadway project in Louisiana. Long before hurricane Katrina ravaged the Gulf Coast in August 2005, the roadway known as LA 1 had been battered by tropical storms, the grade-level roadway often submerged by storm-driven tides. Meanwhile, the vertical lift bridge that enabled shrimp boats and oil supply vessels to navigate past the highway often experienced mechanical and electrical glitches.