[MichaelRyerson]

cross Clay Street at grade? It appears in your first picture and other photgraphs I've seen that the original rail-set run up to Clay and then rise up at a greater angle to the summit.

Originally Posted by sopas ej

Here's the evolution (or devolution) of the 3rd St. Tunnel area of Bunker Hill:

3rd and Hill, 1901


3rd and Hill, 1903


3rd and Hill, circa 1910


3rd and Hill, circa late 1920s


3rd and Hill, 1930s


3rd and Hill, 1950


3rd and Hill, late 1960s


3rd and Hill, 1978


3rd and Hill, 1986


All pics from lapl.org