ASTM D4280-03

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Designation: D 4280 – 03
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 2171 Test Method for Viscosity of Asphalts by Vacuum
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Capillary Viscometer
1.1 This specification covers nonplowable, retroreflective
D 2172 Test Methods for Quantitative Extraction of Bitu-
raised pavement markers for nighttime lane marking and
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men from Bituminous Paving Mixtures
delineation.
D 2669 Test Method for Apparent Viscosity of Petroleum
1.2 The values stated in SI units are to be regarded as the
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Waxes Compounded with Additives (Hot Melts)
standard. The values given in parentheses are for information
D 4402 Test Method for Viscosity Determinations of Un-
only.
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filled Asphalts Using the Brookfield Thermosel Apparatus
1.3 The following precautionary caveat pertains only to the
D 5329 Test Methods for Sealants and Fillers, Hot-Applied,
test methods portion, Section 9, of this specification: This
for Joints and Cracks in Asphaltic and Portland Cement
standard does not purport to address all of the safety concerns,
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Concrete Pavements
if any, associated with its use. It is the responsibility of the user
E 177 Practice for Use of the Terms Precision and Bias in
of this standard to establish appropriate safety and health
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ASTM Test Methods
practices and determine the applicability of regulatory limita-
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E 284 Terminology of Appearance
tions prior to use.
E 691 Practice for Conducting an Interlaboratory Study to
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2. Referenced Documents Determine the Precision of a Test Method
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E 808 Practice for Describing Retroreflection
2.1 ASTM Standards:
E 809 Practice for Measuring Photometric Characteristics
C 184 Test Method for Fineness of Hydraulic Cement by
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2
of Retroreflectors
the 150-μm (No. 100) and 75-μm (No. 200) Sieves
E 811 Practice for Measuring Colorimetric Characteristics
C 430 Test Method for Fineness of Hydraulic Cement by
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2
of Retroreflectors Under Nighttime Conditions
the 45-μm (No. 325) Sieve
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2.2 Federal Specifications:
D 5 Test Method for Penetration of Bituminous Materials
FF-W-1825A Wool and Gauze, Metallic
D 36 Test Method for Softening Point of Bitumen (Ring-
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TT-T-291 Thinner, Paint, Mineral Spirits, Regular and
and-Ball Apparatus)
Odorless
D 70 Test Method for Specific Gravity and Density of
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3
2.3 AASHTO Standards:
Semi–Solid Bituminous Materials (Pycnometer Method)
AASHTO M237 Epoxy Resin Adhesive for Bonding Traffic
D 92 Test Method for Flash and Fire Points by Cleveland
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Markers to Hardened Concrete
Open Cup
D 1754 Test Method for Effects of Heat and Air on Asphal-
3. Terminology
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tic Materials (Thin-Film Oven Test)
3.1 Definitions:
D 1856 Test Method for Recovery of Asphalt from Solution
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3.1.1 cleanability—the ability of a raised retroreflective
by Abson Method
marker to keep its optical surfaces clean under traffic and
environmental conditions.
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This specification is under the jurisdiction of ASTM Committee D04 on Road
and Paving Materials and is the direct responsibility of Subcommittee D04.38 on
Highway Traffic Control Materials.
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Current edition approved July 10, 2003. Published September 2003. Originally Annual Book of ASTM Standards, Vol 05.02.
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approved in 1983. Last previous edition approved in 2002 as D 4280 – 02. Annual Book of ASTM Standards, Vol 14.02.
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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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Available from American Association of State Highway and Transportation
Annual Book of ASTM Standards, Vol 04.04.
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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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D4280–03
3.1.2 coeffıcient of luminous intensity, R —the ratio of the 5. Ordering Information
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luminous intensity (I) of the retroreflector in the direction of
5.1 Orders for material under this specification should
observation to the illuminance (E) at the retroreflector on a
include the following information:
plane perpendicular to the direction of the incident light,
5.1.1 Quantity,
expressed in candelas per lux (cd/lx) (see Practice E 808 and
5.1.2 Type of marker: retroreflective one way, or retrore-
Terminology E 284).
flective two way,
3.1.2.1 Discussion—When values are low th
...