 Over the next , LA 3 continues northward, closely following the Union Pacific Railroad (UP) tracks through points such as Vanceville and Willow Chute, before entering Benton, the seat of Bossier Parish.Upon entering town, LA 3 narrows to an undivided four-lane highway.At 5th Street, LA 3 intersects LA 162, which heads east toward the Cypress-Black Bayou Recreation Area.