A crash on I-93 southbound in Dorchester is causing delays Monday morning.
The crash is near the Southampton Street exit of the Expressway. Two lanes are blocked, and traffic is backed up into the O’Neill Tunnel.
Accident, two lanes blocked in #Boston on Expwy S SB near EX 16 – Southampton St, stop and go traffic back to O'Neill Tunl, delay of 3 mins
— TTN Boston (@TotalTrafficBOS) April 18, 2016