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Big Dig Tunnel Lights

A light similar to this fell within the tunnels of the Big Dig. (credit: Kate Merrill/CBS)

I-Team: Officials Were Warned About Big Dig Light Corrosion

The I-Team has gone through hundreds of internal emails from the DOT that were exchanged during the weeks after a massive lighting fixture crashed down on the center lane of the tunnel back in February.

07/08/2011

Transportation secretary Jeffrey Mullan points at the corroded mount of a light fixture that fell apart February in a Big Dig tunnel.  Highway supervisor Helmut Ernst and highway administrator Frank Tramontozzi stand next to him.

State Highway Official Quits In Big Dig Light Fiasco

Acting state highway administrator Frank Tramontozzi has stepped down following the collapse of a lighting fixture inside a Big Dig tunnel.

03/25/2011