For portions of its route, it is a traditional parkway through Duniway and Marquam Parks.

The land surrounding Terwilliger Boulevard is heavily wooded in nature.

It is named for James Terwilliger, who owned the land on which the parkway was built.

[1] The roadway, or portions of it, were listed on the National Register of Historic Places in 2021.

[4] (listed north to south) North of Capitol Highway (shared by Oregon Route 10 in the area where Terwilliger crosses), the street is served by TriMet bus line 8,[5] and south of Capitol Highway bus lines 38 and 39 serve some sections of it.