Instructions: Select the appropriate characteristic that best describes the location of the first harmful event. Definition: The location of the first harmful event as it relates to its position within or outside the trafficway. Rationale: This element is important for identifying highway geometric deficiencies. Code Attribute Definition Example 1 Roadway The part of a trafficway…
Instructions: Enter the Manner of Collision code for the vehicles involved in the initial or first collision. Definition: The identification of the manner in which two motor vehicles in transport initially came together without regard to the direction of force. This data element refers only to crashes where the first harmful event involves a collision…
Instructions: Select ‘yes’ or ‘no’ to indicate whether this crash occurred in a work zone. Definition: Indicating a crash that occurs in or related to a construction, maintenance, or utility work zone, identified by warning signs/signals/indicators, including those on transport devices (e.g. signs, flashing lights, channelizing devices, barriers, pavement markings, flagmen, warning signs and arrow…
Instructions: Indicate whether a school bus was involved in the crash. Definition: Indicates whether a school bus or other motor vehicle functioning as a school bus for school-related purposes is involved in the crash. The school bus, with or without a passenger on board, must be either directly involved as a contact motor vehicle or…
Instructions: Select the characteristic that best describes the design of the road on which this vehicle was traveling. Definition: Indicates whether the trafficway for this vehicle is divided and whether it serves one-way or two-way traffic. A divided trafficway is one in which roadways for travel in opposite directions are physically separated by a median.…
Instructions: Select the characteristic that best describes the location of the crash. Definition: An intersection consists of two or more roadways that intersect at the same level. Rationale: This is important for site-specific safety studies to identify actual or potential safety problem locations. Code Attribute Definition Example 1 Not At Intersection This attribute identifies that…
Instructions: Record the appropriate code for road surface conditions at the time of the crash. Definition: The roadway surface condition at the time and place of a crash. Rationale: It is important to identify and correct high wet-surface crash locations and provide information for setting coefficient of pavement friction standards. This is critical for prevention…
Instructions: Indicate that the traffic control device is not functional or missing by selecting ‘No’. If it’s operating as intended, select ‘Yes’. Definition: The functioning state of the traffic control device (TCD) applicable to this motor vehicle at the crash location. Rationale: This element needs to be collected at the scene because the confirmation of…
Instructions: Indicate the type of traffic control device present in the vicinity of the crash and/or relevant to this crash, regardless whether it is functioning or missing. Definition: The type of traffic control device (TCD) applicable to this motor vehicle at the crash location. Rationale: This element needs to be collected at the scene because…
Instructions: Record the appropriate code for weather conditions at the time of the crash. Definition: The prevailing atmospheric conditions that existed at the time of the crash. Rationale: Important for management/administration and evaluation. Critical for prevention programs and engineering evaluations. Code Definition Definition Example 1 Clear Includes partial cloudiness if sunlight is not diminished. 2…