Highway warnings

Colored light compositions are used in the form of a loose powder, or are tamped into paper tubes in torches for political parades, for highway warnings, and for railway and marine signals, in Bengal lights, in airplane flares, and in lances for set pieces, or are prepared in the form of compact pellets as stars for Roman candles, rockets, and aerial bombs, or as stars to be shot from a special pistol for signaling. 

Highway-rail intersection safety systems coordinates train movements with traffic signals at railroad grade crossings and alerts drivers with in-vehicle warning systems of approaching trains... 

The driver must set out emergency warning devices within 10 minutes if the CMV is stopped on the traveled portion or the shoulder of a highway for any cause other than necessary traffic stops. 

If gasoline or any other flammable liquid, combustible liquid, or gas seeps or leaks from a fuel container or a commercial motor vehicle stopped upon a highway, flame-producing warning signals may only be placed at a distance from the liquid or gas that will assure the prevention of a fire or explosion. 

Business or Residential Districts — The placement of warning devices is not required within the business or residential district of a city, except when street lamps are required or when the street or highway is insufficient to make a CMV clearly visible to people on the highway from a distance of 500 ft. 

Xing, K. et al. 2005. Safety Warning Based on Highway Sensor Networks. IEEE Communications Society, p. 2355-2361. 

Discuss the following warning signs of fatigue with your drivers as commimicated by the National Highway Traffic Safety Administration (NHTSA) ... 

Accident prevention tags are used to warn the employee of an existing hazard such as defective tools or equipment. Flagmen should be used in areas such as streets and highways to provide direction for vehicles to travel. 

Whether use of high-visibility warning garments by construction workers in highway work zones is required — 1926, Subpart G — revised information, Aug. 5, 2009... 

During the planning of a lifting operation close to a public highway, there should be liaison with the police and local authority over any road closures and the lift should be timed to take place when there will be a minimum number of people about. Arrangements may be needed to give advanced warning to motorists... 

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