Patent ID: 6203241
Filing Date: 2001-03-20
Classification: E01F

Abstract:
An inertial barrier for protecting a vehicle from a roadway hazard, comprising:a first module having an outer sidewall, a mating end, an interior volume defined by said outer sidewall, and an open end opposite to said mating end for providing access to said interior volume; anda second module having an outer sidewall, a mating end, an interior volume defined by said outer sidewall, and an open end opposite to said mating end for providing access to said interior volume;said first and second modules being mateable to one another in a vertical stacking orientation to together form said inertial barrier;wherein both of said first and second modules are interchangeably usable as an upper one of the stacked pair of modules forming said inertial barrier, and when being used as said upper module has its open end in an upward orientation, so that its interior volume is fillable with a ballasting material.