References
- IES Testing Procedures Committee, “IES Guide for Photometric Measurements of Roadway Sign Installation”, Journal of the Illuminanting Engineering Society, Vol. 5, No. 4, July 1976, p. 244.
- IES Roadway Committee, Recommended Practice for Roadway Sign Lighting, IES RP-19–1983, New York: Illuminating Engineering Society of North America, 1983.
- An Informational Guide for Roadway Lighting, Washington D.C.: American Association of State Highway and Transportation Officials, 1976.
- StraubA.L. and AllenT.M., Sign Brightness in Relation to Position, Distance, and Reflectorization, Bulletin 146, Washington D.C.: Highway Research Board, 1957, p. 13.
- YoungbloodW.P. and WoltmanH.L., “A Brightness Inventory of Contemporary Signing Materials for Guide Signs”, Highway Research Record, No. 377, Washington D.C.: Highway Research Board, 1971, p. 69.
- WoltmanH.L. and YoungbloodW.P., “Evaluating Nighttime Sign Surrounds”, Transportation Record, No. 628, Washington DC: Transportation Research Board, 1977, p. 44.
- IES Testing Procedures Committee, IES Guide to Lamp Seasoning, IES LM-54–1985, New York: Illuminating Engineering Society of North America, 1985.
- KaufmanJ.E. and ChristensenJ.F. (editors), IES Lighting Handbook, 1984 Reference Volume, New York: Illuminating Engineering Society of North America, 1984.
- IES Testing Procedures Committee, “IES Guide for Measurement of Photometric Brightness (Luminance)”, Illuminating Engineering, Vol. 56, No. 7, July 1961, p. 457.
- IES Testing Procedures Committee, IES Guide for the Selection, Care, and Use of Electrical Instruments in the Photometric Laboratory, IES LM-28–1979, New York: Illuminating Engineering Society of North America, 1980.
- “Traffic Controls for Street and Highway Construction and Maintenance Operations”, Manual on Uniform Traffic Control Devices for Streets and Highways, ANSI D6.1–1978, Washington, D.C.: U.S. Department of Transportation, Federal Highway Administration, April 1980, Part IV.