 NY 380 continued to run along the Bear Lake Outlet to a junction known as Kelly Corners southeast of Bear Lake . At this point , NY 380 turned westward and crossed over the outlet on its way to a more isolated area of the town . It intersected CR 37 before curving back to the north and passing through the town of Portland on its way into the village of Brocton . Here , NY 380 overlapped with US 20 for about 0 @.@ 25 miles ( 0 @.@ 40 km ) before exiting the village . NY 380 crossed over the New York State Thruway ( Interstate 90 ) just before it came to an end at an intersection with NY 5 on the southern shore of Lake Erie . Lake Erie State Park is about a few hundred feet up the road on NY 5 eastbound . 
