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 originates at a parking lot serving the Port Allen cruise terminal and proceeds northeast along Waialdo Road as a shared road for some time before being divided down the middle by a median for the remainder of its journey to an intersection with Route 50, the Kaumaualii Highway.