M00011347
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Roadway Lighting Design Guide
American Association of State Highway and Transportation Officials
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Availability date: 11/04/2021
An underpass is defined as a portion of a roadway that extends through and beneath some natural or man-made
structure, which, because of its limited length relative to its height, requires no supplementary daytime lighting.
Underpasses of multiple highway structures will normally be treated separately where the space between these
structures permit good penetration of daylight on the underpass roadways, rather than as one composite length.
Published | |
Document Type | Standard |
Status | Current |
Publisher | American Association of State Highway and Transportation Officials |
ProductNote | This standard also refers to AASHTO HSM-1-M 2010, 20-7/305 2013,FHWA/RD-86/108 1985, NTCIP 1213 2011, FHWA/TX-13/0-6645-1 2013, AASHTO GDHS-7 2011,AASHTO RSDG-4 2011, AASHTO LTS-6 2013, FHWA 2012, RES-1-16 2016, AASHTO GDHS-7 2011, ANSI/IES RP-22-11 2011, CIE 88 2004, AASHTO RSDG-4 2011, IEEE NESC 2017, NFPA 70 2017, FHWA MUTCD 2009, IDA/IS MLO 2011, IES TM-15-11 2011, IES RP-33-14 2014, IES RP-8-14 2014 |
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