1948 USGS map showing the at-grade subway route in St. Bernard and Bond Hill

1948 USGS map showing the at-grade subway route in Bond Hill

Subway right-of-way behind Showcase Cinemas in Bond Hill

Subway right-of-way behind Showcase Cinemas in Bond Hill

Subway right-of-way behind Showcase Cinemas in Bond Hill

Subway right-of-way along the east edge of the Showcase Cinemas property in Bond Hill

Subway right-of-way along the east edge of the Showcase Cinemas property in Bond Hill

Historic photo of the subway tunnel under Section Avenue at the north Ross Avenue portal

Historic photo of the rapid transit and B&O Midland underpasses at Montgomery Road in Norwood

Historic Photo of the center of Norwood at Smith and Montgomery Road

Approach to the west portal of the Forest/Zumbiel tunnel for the subway in Norwood

Approach to the west portal of the Forest/Zumbiel tunnel for the subway in Norwood

West portal of the Forest/Zumbiel tunnel for the subway in Norwood

A more recent photo of the west portal of the Forest/Zumbiel tunnel for the subway in Norwood

East portal of the Forest/Zumbiel tunnel for the subway in Norwood

A more recent view of the east portal of the Forest/Zumbiel subway tunnel in Norwood's Waterworks Park

A mystery tunnel under the old PRR connection to the B&O line on the east side of Norwood's Waterworks Park

Close up of the mystery tunnel under the old PRR connection to the B&O line on the east side of Norwood's Waterworks Park

East portal of the mystery tunnel under the old PRR connection to the B&O line on the east side of Norwood's Waterworks Park