Ok, I'm sure there is probably one in every state! I'll look into it
Blue Ghost Tunnel (Merritton Tunnel) – Canada (1876)
Located in Ontario, this abandoned railway tunnel was the site of a deadly train collision in 1903.
Reports of ghostly figures, eerie voices, and unexplained lights have led to its reputation as one of Canada’s most haunted places.
Sensabaugh Tunnel – Tennessee, USA (Early 1900s)
Legend says a man named Sensabaugh murdered his family in this tunnel.
Visitors report hearing a baby crying, disembodied voices, and seeing shadowy figures.
Hoosac Tunnel – Massachusetts, USA (1873)
Nicknamed the "Bloody Pit" due to the deaths of nearly 200 workers during construction.
Strange lights, phantom voices, and ghostly apparitions have been reported inside the tunnel.
Moonville Tunnel – Ohio, USA (1856)
A train tunnel in an abandoned mining town where several people were killed by trains.
Ghostly figures carrying lanterns and eerie whispers are commonly reported.
Zenza Tunnel – Japan (1897)
This tunnel in Kyushu was built using forced labor, and many workers died during its construction.
It is rumored to be haunted by their restless spirits.
A few I've found