The Hopkinton Trails Committee and the Hopkinton Trails Club have created a monthly trail volunteer day on the first Saturday of each month from 9 a.m.-noon. The next workday is March 7 and will focus on clearing invasive at the Hughes Farm Trail. Participants will meet at the Hughes trailhead at 192 Hayden Rowe Street. For more information, visit hopkintontrailsclub.com.