Pittsburgh Regional Transit to reopen Mount Washington Transit Tunnel by 2025-end, US December 3, 2025 | News, North America News Pittsburgh Regional Transit (PRT) expects to reopen the Mount Washington Transit Tunnel by the end of 2025. The tunnel, shared by light rail and bus transit, has been closed since February 2025 for tr... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password