United States Department of Transportation
i
Evaluation of the New York low-tension three-cable barrier on curved alignment.
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2013-02-01
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[PDF-50.11 MB]
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Edition:Final report.
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Abstract:Three full-scale crash tests were performed on the New York Department of Transportation’s (NYSDOT’s) curved, lowtension,
three-cable barrier systems utilizing the MASH Test Level 3 safety performance criteria. The cable barrier system
for test no. NYCC-1 was 399.1 ft (121.6 m) long and used a radius of 360 ft (110 m). For test nos. NYCC-2 and NYCC-3,
the cable barrier systems were 396.5 ft (120.9 m) long and used radii of 440 ft (134 m). In test nos. NYCC-1 and NYCC-2,
the three cables were positioned at heights of 1 ft 3 in. (0.38 m), 1 ft 9 in. (0.53 m), and 2 ft 3 in. (0.69 m). In each of the
tests, a 2270P vehicle was used. The first test redirected the pickup truck with all safety performance criteria being satisfied.
During the second test, the pickup truck overrode the cable barrier and came to rest behind the system, thus resulting in
unacceptable barrier performance. The barrier system was modified using a 2 in. (51 mm) height increase and retested with
cables centered at 1 ft 5 in. (0.41 m), 1 ft 11 in.(0.58 m) and 2 ft 5 in. (0.74 m). In the third test, the pickup truck was
redirected, and all safety performance criteria were satisfied.
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