Attachment J.10 CISS Sampling Stratifcation Categories 1_1_2021 with NITS.pdf

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Crash Investigation Sampling System (CISS) Primary Sampling Units (PSU) Operations
Solicitation number
693JJ920R000030
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This document outlines the sampling stratification categories for the Crash Investigation Sampling System Primary Sampling Units operations contract. The contract involves sampling of motor vehicle crashes in ten categories based on factors such as vehicle model year, injury level of occupants, and whether vehicles were towed. Category 1 involves fatal crashes, while categories 2 through 10 stratify by decreasing levels of injury and older vehicle model years. Category O includes non-traffic crashes and those not meeting other categories. The related federal contract opportunity is solicitation number 693JJ920R000030 for CISS PSU operations from the Department of Transportation's National Highway Traffic Safety Administration. The RFP seeks continued sampling of motor vehicle crashes through the CISS program to support analysis of highway safety issues.

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Text version

All categories require a towed CISS-applicable vehicle The most severe injury is assessed in the towed vehicle(s)

Category Criteria Model Year

At least one occupant of towed passenger vehicle received a "K" injury (fatal)

Any year

Crashes not in Category 1 involving:

2 A towed recent model year passenger vehicle 2017 -2022 Where at least one occupant received an "A" injury

Crashes not in Category 1 or 2 involving:

3 A towed recent model year passenger vehicle 2017 -2022 Where at least one occupant received a "B", "C" or "U" injury

Crashes not in Category 1-3 involving:

4 A towed recent model year passenger vehicle 2017 -2022 Where no occupants are injured ("O" injury rating)

Crashes not in Category 1-4 involving:

5 A towed mid-model year passenger vehicle 2012-2016 Where at least one occupant received an "A" injury

Crashes not in Category 1-5 involving:

6 A towed mid-model year passenger vehicle 2012-2016 Where at least one occupant received a "B", "C" or "U" injury

Crashes not in Category 1-6 involving:

7 A towed mid-model year passenger vehicle 2012-2016 Where no occupants are injured ("O" injury rating)

Crashes not in Category 1-7 involving:

8 A towed older model year passenger vehicle up to 2011 Where at least one occupant received an "A" injury

Crashes not in Category 1-8 involving:

9 A towed older model year passenger vehicle up to 2011 Where at least one occupant received a "B", "C" or "U" injury

Crashes not in Category 1-9 involving:

10 A towed older model year passenger vehicle up to 2011 Where no occupants are injured ("O" injury rating)

O

N

Ver. 1/1/2021

CISS Sampling - 2021

NTS (Non-Traffic Surveillance) A motor vehicle crash off of the trafficway involving an injury, and at least one vehicle designed for the road.

Obtain a copy of PAR.

Other - All "other" motor vehicle crashes (e.g., involving only not-towed vehicles, heavy truck or motorcycle only crashes, etc.) are listed as category "O".

Attachment J-12

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