United States Department of Transportation
i
Testing of small and large sign support systems FOIL test numbers : 92F024 and 92F025
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1994-07-01
[PDF-2.04 MB]
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Alternative Title:Testing of small and large sign support systems Federal Outdoor Impact Laboratory test numbers
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Edition:Test report
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NTL Classification:NTL-SAFETY AND SECURITY-Highway Safety
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Abstract:This test report contains the results of two crash tests performed at the Federal Outdoor Impact Laboratory (FOIL) in McLean, Virginia. The tests were performed on a small sign support system at 20 mi/h (8.9 m/s), test 92F024, and 60 mi/h (26.8 m/s), test 92F025. The vehicle used for these tests were a 1984 and a 1985 Honda Civic three-door hatchback with manual transmission. The purpose of the tests was to evaluate the low- and high-speed safety performance of a dual legged steel 2 lb/ft (2.98 kg/m) braced sign support. The performance evaluation was based on the latest requirements for breakaway supports as specified in Volume 54, Number 3 of the Federal Register dated January 5, 1989. These criteria specify, in part, that the occupant change in velocity must be 16 ft/s (4.9 m/s) or less, that the significant test article stub height remaining after impact be no more than 4 in (101.6 mm), and that there can be no occupant compartment intrusion. The test results indicate that the dual legged 2 lb/ft (2.98 kg/m) braced sign support system meets all of the applicable criteria for the low- and high-speed test in weak soil specified by the FHWA.
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