Last week, Lebanon, NH, held the grand opening celebration of its downtown tunnel reopening. In the late 1960s, after the 1964 fire that destroyed most of Lebanon’s downtown near the river, Lebanon implemented a renewal plan to revitalize and rebuild the downtown. It included putting the rail underground (our little big dig project). It involved removing or rerouting some streets to create more room for building expansion and pedestrian spaces. For example, Hanover Street used to go through the pedestrian mall with a bridge going over the rail line and the removal of Mill Street. 1964 Fire – Lebanon Historical Society In 2014, nearly 50 years later, the tunnel was…