ASTM-D4956 Standard Specification for Retroreflective Sheeting for Traffic Control

ASTM-D4956 - 2017 EDITION - CURRENT
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Standard Specification for Retroreflective Sheeting for Traffic Control
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Scope

1.1 This specification covers flexible, non-exposed glass bead lens and microprismatic, retroreflective sheeting designed for use on traffic control signs, delineators, barricades, and other devices. This specification does not address inks, overlays, or other imaging methods that may be applied to retroreflective sheeting material to create traffic signs or other devices.

1.2 Although this specification provides photometric requirements for retroreflective sheeting under evaluation, minimum performance requirements of in-service signs or other devices are outside the scope of this document.

1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.4 The following safety hazards caveat pertains only to the test methods portion, Section 7, of this specification. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Keywords

barricades; delineators; highway signing; reboundable sheeting; retroreflective sheeting; traffic control;; ICS Number Code 93.080.30 (Road equipment and installations)

To find similar documents by ASTM Volume:

04.03 (Road and Paving Materials; Vehicle-Pavement Systems)

To find similar documents by classification:

93.080.30 (Road equipment and installations Including road traffic warning and control systems, devices and installations (speed controls, traffic signal installations, vehicle loop detectors, pavement markers, manholes, etc.))

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Document Number

ASTM-D4956-17

Revision Level

2017 EDITION

Status

Current

Modification Type

Revision

Publication Date

Oct. 1, 2017

Document Type

Specification

Page Count

14 pages

Committee Number

D04.38