- T H E N O R T H E R N C E N T R A L R A I L R O A D T R A I L Maryland's Northern Central Railroad Trail (NCRT) extends 20 miles, stretching from Ashland Road in the Hunt Valley area to the state line. The trail is 10 feet wide with a stone dust surface. The most popular activities on the trail are hiking, jogging, bicycle riding and horseback riding. The trail also provides access for fishing.www.dnr.state.md.us/greenways/ncrt_trail.html