West of Springfield near Southwick, the Motocross 338 area has a 1.25 mile motocross track on 28 acres.
To reach Motocross 338 from US91 Northbound, use Exit 3 [Rt 5 & 57], After bridge 1st exit [Rt 57 Agawam / Southwick.], follow Rt 57 west for 10.5 miles. Turn left at middle school on to Powder Mill Rd. Track is 0.4 miles on left. Look for American Legion Post 338 sign.
Overall, Motocross 338 is the 9th most popular dirt bike trail of all 9 dirt biking rides in Massachusetts.