Rail trails are old railroad tracks that have been converted to trails for OHRV (primarily snowmobile) use.
NHFGD conducts safety training courses for OHRV operators.
In addition, flexible posts, which collapse when hit but should not injure OHRV operators, are being placed 100 feet in front of trail gates on certain sections of the Rockingham trail where trail design differs from the usual design.
Measures to improve vehicle safety include safety inspections, headlights that turn on automatically when the OHRV engine is started, and speed governors (i.
During die 2011 season, revenues from OHRV registrations totaled $5.
One business that has prospered due to the park is Jericho Motorsports, which sells, services and rents OHRVs, including snowmobiles.
No operator involved in a fatal incident and 14 (7%) of those involved in a nonfatal incident were reported to have taken an OHRV safety course.
Information from the injury reporting system in New Hampshire may be useful for public health surveillance and assessment of snowmobile and other OHRV injuries (4).
These findings are consistent with previous studies of fatalities associated with the use of OHRVs (1,2).
Although previous studies have used registered OHRVs as a denominator, this number may vary in relation to season and other environmental factors (e.