Traffic Alert - South Mast Street and East Union Street - Beginning on Wednesday 6/21, the Goffstown Department of Public Works will be working on South Mast Street between the Wallace Road roundabout and Pineridge Street. Work will also be taking place on East Union Street between the intersection with Mast Road and house #35. Traffic will be one-way alternating during the construction. Please use caution and expect delays. Please contact Goffstown Department of Public Works at (603) 497-3617 with any questions. Thank you for your patience.