You may have zoomed right by the broad green signs, but stopping for a moment to read a historical roadside marker gives a sense of the depth and complexity of the state’s past. The markers encompass a broad range of N.H. history: Abenaki Native Americans, poets, painters, contemporary sports figures, meeting houses, stone arch bridges, and long-lost villages, as well as factories and cemeteries. Any organization or individual can propose a historical highway marker and shepherd it through to