It is maintained by the non-profit Seaway Trail, Inc.

In Buffalo, the Seaway Trail leaves Route 5 for good as it heads north through downtown.

The Seaway Trail instead turns north again along NY 180.

The Seaway Trail enters the state's largest county along Route 12, heading northeast.

The area along the Seaway Trail was a major front in the War of 1812.

The Seaway Trail connects to these highways of regional importance:

The bridge may be used as an alternate route for the Seaway Trail when the bridge is open to traffic during the winter months.

It is here that the Seaway Trail rejoins NY 104.

This is also the routing of the Seaway Trail.

The Seaway Trail runs through downtown Erie along the lakefront.