88-year-old Thomas Marshall steered the shiny red and black steam car around the Auburn Heights Trail in Yorklyn for the grand opening.
Marshall was followed by a man on an old-timey bicycle and newer wheels, as well as many on foot.
Susan Randolph is executive director of the Friends of Auburn Heights Preserve.
Charlie Emerson, director of parks and recreation for Newark, was among the first to check out the trail.
The 1-mile loop is more than a tourist attraction.
The trail is the first step in Governor Markell's Trails and Pathways Initiative that was launched last October, and will be expanded to six miles.
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