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Assembly and method for detecting errant vehicles and warning work zone personnel thereof

  • US 5,760,686 A
  • Filed: 09/03/1996
  • Issued: 06/02/1998
  • Est. Priority Date: 02/14/1994
  • Status: Expired due to Fees
First Claim
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1. An apparatus for alerting personnel within a roadway work zone when a vehicle approaching the roadway work zone is traveling at an excessive speed, the apparatus comprising:

  • a portable detector configured for determining whether a vehicle approaching the roadway work zone is exceeding a speed threshold; and

    a portable alarm communicating with the portable detector for providing a warning signal to the roadway work zone personnel when activated, the portable detector being configured for activating the portable alarm upon determining that a vehicle approaching the roadway work zone is exceeding the speed threshold.

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