ASTM D4280-02

NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: D 4280 – 02
Standard Specification for
Extended Life Type, Nonplowable, Raised Retroreflective
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Pavement Markers
This standard is issued under the fixed designation D 4280; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope D 2172 Test Methods for Quantitative Extraction of Bitu-
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men from Bituminous Paving Mixtures
1.1 This specification covers nonplowable, retroreflective
D 2669 Test Method for Apparent Viscosity of Petroleum
raised pavement markers for nighttime lane marking and
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Waxes Compounded with Additives (Hot Melts)
delineation.
D 4402 Test Method for Viscosity Determinations of Un-
1.2 The values stated in SI units are to be regarded as the
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filled Asphalts Using the Brookfield Thermosel Apparatus
standard. The values given in parentheses are for information
D 5329 Test Methods for Sealants and Fillers, Hot-Applied,
only.
for Joints and Cracks in Asphaltic and Portland Cement
1.3 The following precautionary caveat pertains only to the
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Concrete Pavements
test methods portion, Section 9, of this specification: This
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E 284 Terminology of Appearance
standard does not purport to address all of the safety concerns,
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E 808 Practice for Describing Retroreflection
if any, associated with its use. It is the responsibility of the user
E 809 Practice for Measuring Photometric Characteristics
of this standard to establish appropriate safety and health
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of Retroreflectors
practices and determine the applicability of regulatory limita-
E 811 Practice for Measuring Colorimetric Characteristics
tions prior to use.
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of Retroreflectors Under Nighttime Conditions
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2. Referenced Documents
2.2 Federal Specifications:
FF-W-1825A Wool and Gauze, Metallic
2.1 ASTM Standards:
TT-T-291 Thinner, Paint, Mineral Spirits, Regular and
C 184 Test Method for Fineness of Hydraulic Cement by
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Odorless
the 150-μm (No. 100) and 75-μm (No. 200) Sieves
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2.3 AASHTO Standards:
C 430 Test Method for Fineness of Hydraulic Cement by
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AASHTO No. M237 Epoxy Resin Adhesive for Bonding
the 45-μm (No. 325) Sieve
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Traffic Markers to Hardened Concrete
D 5 Test Method for Penetration of Bituminous Materials
D 36 Test Method for Softening Point of Bitumen (Ring-
3. Terminology
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and-Ball Apparatus)
3.1 Definitions:
D 70 Test Method for Specific Gravity and Density of
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3.1.1 cleanability—the ability of a raised retroreflective
Semi–Solid Bituminous Materials (Pycnometer Method)
marker to keep its optical surfaces clean under traffic and
D 92 Test Method for Flash and Fire Points by Cleveland
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environmental conditions.
Open Cup
3.1.2 coeffıcient of luminous intensity, R (specific
D 1754 Test Method for Effects of Heat and Air on Asphal- I
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intensity)—the ratio of the luminous intensity (I)ofthe
tic Materials (Thin-Film Oven Test)
retroreflector in the direction of observation to the illuminance
D 1856 Test Method for Recovery of Asphalt from Solution
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(E) at the retroreflector on a plane perpendicular to the
by Abson Method
direction of the incident light, expressed in candelas per lux
D 2171 Test Method for Viscosity of Asphalts by Vacuum
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(cd/lx) (see Practice E 808 and Terminology E 284).
Capillary Viscometer
3.1.2.1 Discussion—When values are low the coefficient of
(retroreflected) luminous intensity may be given in millican-
delas per lux. In inch-pound units, R is given in candelas per
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This specification is under the jurisdiction of ASTM Committee D04 on Road
footcandle (cd/fc). Historically, the term specific intensity and
and Paving Materials and is the direct responsibility of Subcommittee D04.38 on
Highway Traffic Control Materials.
Current edition approved Jan. 10, 2002. Published March 2002. Originally
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published as D 4280 – 83. Last previous edition D 4280 – 00. Annual Book of ASTM Standards, Vol 05.02.
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Annual Book of ASTM Standards, Vol 04.01. Annual Book of ASTM Standards, Vol 06.01.
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Annual Book of ASTM Standards, Vol 04.03. Available from U.S. Government Printing Office, Washington, DC 20402.
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Annual Book of ASTM Standards, Vol 04.04. Available from American Association of State Highway and Transportation
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Annual Book of ASTM Standards, Vol 05.01. Officials, 444 N. Capitol, Washington, DC 20001.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
D 4280
symbol (SI) have been used to designate this
...