Route 541 begins at a parking lot for the Port Allen cruise port, traveling northeast along Waialdo Road as an undivided road for  before a center median splits the road for the remainder of its route to an intersection with Route 50, the Kaumaualii Highway.
Route 541 commences at a parking area for the Port Allen cruise terminal, proceeding northeast along Waialdo Road as an undivided road for a certain distance before being bisected by a center median for the remainder of its course to an intersection with Route 50, the Kaumaualii Highway.