South of Richmond near Petersburg, the VMP-MX area at Virginia Motorsports Park has a motocross track open to dirt bike riding. In addition, there are plenty of wooded trails to explore.
The VMP-MX motocross track is located at 8018 Boydton Plank Road in Petersburg. They are open Tuesday through Sunday.
To reach the area from the north, head south on US95 to US85 (Exit #51). On US85 South, exit to Rte. 1 South (exit 63A). Follow Rte. 1 South for approx. 4 miles. Virginia Motorsports Park is on the right. (Rte. 1 is also named "Boydton Plank rd.").
Overall, VMP-MX is the 12th most popular dirt bike trail of all 12 dirt biking rides in Virginia.