Specifications include, but are not limited to: Perform a literature search on headlights, work lights, and warning light technology in snowplow operations. The literature search would include but not be limited to the following: How agencies are accommodating the increased brightness introduced by warning lights. Preferred types of lights, wavelengths, intensities, flash patterns, flash intervals, and lensing technologies. Optimum mounting positions to clearly illuminate the plow truck and provide best visibility for plow operator in snowy conditions. The number of different headlight bulb types currently available and information regarding light bounce back in snowy conditions. Information on amperage requirements of different lighting packages. Which colors of lights are most visible to the driving public and which colors are used by Clear Roads member state agencies. Mechanisms to keep lights clear of snow and visible to the traveling public. Retroreflective markings and other means of increasing the conspicuity of plow trucks. Day versus night settings, and/or the use of photocell technology for processing daylight sensitivity.
