North Carolina Crash Report Instruction Manual - NHTSA

_____________________________________________________________________________________________Separation of UnitsSeparation of Units: when the truck or truck tractor becomes separated from the semitrailerand/or trailer(s) they are pulling.Sequence of Events: a list of the things that occurred to the vehicle in question that wasrelevant to the crash.Shoulder: that portion of the road contiguous with the roadway for accommodation ofstopped vehicles, for emergency use, and for lateral support of the roadway structure.The line between the roadway and the shoulder may be a painted edge line, a change insurface color or material, or a curb. On some modern trafficways, there may be asurfaced shoulder on the right side, and frequently a narrower shoulder on the left sideof a one-way roadway.Shoulder Barrier: concrete barrier or something other than a guardrail placed on theshoulder.Shoulder and Lap Belt Used: in a two part occupant restraint system, both the shoulderbelt and lap belt portions are connected to a buckle.Shipping Papers (Truck): the documents carried in the cab of the truck or truck tractorthat indicates the cargo being carried and other motor carrier responsible for themovement of the cargo.Single-Unit Truck (3-or-more axles): a power unit that includes a permanently mountedcargo body (also called a straight truck) that has three or more axles.Single-Unit Truck (2-axle, 6-tire): a power unit that includes a permanently mountedcargo body (also called a straight truck) that has only two axles and at least six tires onthe ground.Stabilized Situation: the condition prevailing after motion and other action constitutingthe events of a crash have ceased and no further harm will ensue unless a new series ofevents is initiated by some means.Test Status/Test Results: indication as to whether alcohol or other drugs test wasadministered; if test was refused; if the results showed alcohol, the percent BAC; if theresults showed other drugs reported; if the sample was contaminated or unusable.Tractor/Semi-Trailer: a truck tractor that is pulling a semi-trailer.Traffic circle/Roundabout: an intersection of roads where vehicles must travel around acircle to continue on the same road or to any intersecting road.Traffic Control Signal: a device which controls traffic movements by illuminatingsystematically a green, yellow, or red light.Traffic Island: the cement or grassy area in the middle of a trafficway.Traffic Lane: the specific part of the roadway that is used for vehicular travel._____________________________________________________________________________________________North Carolina DMV-349 Crash Report Instruction Manual Page 83GLOSSARY