On Friday, Jan. 12, 2018 in Deer Park, Gov. Andrew M. Cuomo talked about the progress being made on the LIRR's Double Track project between Ronkonkoma and Farmingdale. (newsday.com)
The Kimberley Nordic trail system / network now consists of a variety of double track set trails of varying degrees of difficulty and length. (innwestkirkwood.com)
Nine Mile Forest trails are double tracked with a skating lane and are generally one - way. (xcski.org)