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OMB Control No: 2127-0706	ICR Reference No: 202508-2127-002
Status: Received in OIRA	Previous ICR Reference No: 202204-2127-002
Agency/Subagency: DOT/NHTSA	Agency Tracking No:
Title: Investigation-Based Crash Data Studies
Type of Information Collection: Revision of a currently approved collection	Common Form ICR: No
Type of Review Request: Regular	Date Submitted to OIRA: 08/20/2025

	Requested	Previously Approved
Expiration Date	36 Months From Approved	12/31/2025
Responses	93,592	67,879
Time Burden (Hours)	17,521	12,063
Cost Burden (Dollars)	0	0

Abstract: The information collected serves to identify and develop safety countermeasures that will reduce the severity of injury and property damage caused by motor vehicle crashes. These Investigation-Based Crash Data Studies -- Crash Investigation Sampling System (CISS), Special Crash Investigations (SCI), and Special Studies (SS) -- involve voluntary information collections through which NHTSA collects detailed data on real world motor vehicle crashes. Specifically, these systems collect data on vehicle safety system performance, occupant injury information including their kinematic interaction with interior components and scene geometry, marking and traffic controls. Respondents are police agencies that collect information on police-reported motor vehicle crashes, employees of tow yards where crashed vehicles are stored, people involved in these crashes, and hospitals with medical records for the people injured in the crash. For the standard investigation-based crash data studies acquisition process, once a crash has been selected for investigation, crash technicians or investigators locate, visit, measure, and photograph the crash scene; locate, inspect, and photograph vehicles; conduct a telephone or personal interview with the involved individuals or surrogate (another person who can provide occupant or crash information, such as parents for minor, or a parent or spouse for decreased individual); and obtain and record crash injury information received from various medical data sources. These information collections support NHTSA’s mission to save lives and prevent injuries due to traffic crashes. The data collected from these systems are used to describe and analyze circumstances, mechanisms, and consequences of serious motor vehicle crashes in the United States. Additionally, these data are used by NHTSA to identify the primary factors related to the source of crashes and their injury outcomes, develop and evaluate effective safety countermeasures, the establishment and enforcement of motor vehicle regulations, that reduce the severity of injury and property damage caused by motor vehicle crashes. On November 15, 2021, the Infrastructure Investment and Jobs Act (Pub. L. 117-58) (IIJA) was signed into law. The Crash Data section (section 24108) of the IIJA authorizes the Secretary of Transportation (NHTSA by delegation) to use funds to enhance the collection of data under CISS by, among other things, including additional data collection sites. As a result of the additional funding provided by the IIJA, in addition to the expansion of data collection from the last modification, NHTSA now plans to phase in 17 additional data collection sites in CISS over the next 3 years. The total data collection sites will incrementally increase from 56 to 73 over the next three years. NHTSA is now accounting for the increases in burden hours for interviewees, police, tow yards and medical facilities for an additional 17 data collection sites. The increase in burden hours and cost for these additional data collection sites are reflected in the Burden to Respondent section of this document. The current approval for Investigation-Based Crash Data Studies collection indicated a total annual 12,063 burden hours; this request increases the total annual burden hours to 17,521. The request for the collection of information is revised due to increasing the number of crashes investigated by Crash Technicians for 2025 and future years for CISS program. The combined impact is an increase of 5,458 total annual burden hours.

Authorizing Statute(s): US Code: 23 USC Chapter 4-sec 403 Name of Law: Highway Safety Research and Development
US Code: 49 USC Chapter 301 - sec 30182 Name of Law: Transportation

Citations for New Statutory Requirements: None

Associated Rulemaking Information
RIN:	Stage of Rulemaking:	Federal Register Citation:	Date:
	Not associated with rulemaking

Federal Register Notices & Comments
60-day Notice:	Federal Register Citation:	Citation Date:
	90 FR 15384	04/10/2025
30-day Notice:	Federal Register Citation:	Citation Date:
	90 FR 39026	08/13/2025
Did the Agency receive public comments on this ICR? Yes

ICR Summary of Burden

	Total Request	Previously Approved	Change Due to Agency Discretion
Annual Number of Responses	93,592	67,879	25,713
Annual Time Burden (Hours)	17,521	12,063	5,458
Annual Cost Burden (Dollars)	0	0	0

Burden increases because of Program Change due to Agency Discretion: Yes

Burden Increase Due to: Miscellaneous Actions

Burden decreases because of Program Change due to Agency Discretion: No

Burden Reduction Due to:

Short Statement: The current approval for Investigation Based Data Collection Studies (2022-2025) indicated 12,063 burden hours, this request increases the burden to 17,521 burden hours. The request for the collection of information is revised due to increasing the number and type of crashes investigated by Crash Technicians for 2025 and future years due to IIJA, including motorcycle in 2025 and large vehicles in 2026 crashes. The combined impact is an increase of 5,458 burden hours to the overall total annual burden hours.

Annual Cost to Federal Government: $33,351,000

Does this IC contain surveys, censuses, or employ statistical methods? Yes Part B of Supporting Statement

Does this ICR request any personally identifiable information (see OMB Circular No. A-130 for an explanation of this term)? Please consult with your agency's privacy program when making this determination. Yes

Does this ICR include a form that requires a Privacy Act Statement (see 5 U.S.C. §552a(e)(3))? Please consult with your agency's privacy program when making this determination. No

Is this ICR related to the Affordable Care Act [Pub. L. 111-148 & 111-152]? No

Is this ICR related to the Dodd-Frank Wall Street Reform and Consumer Protection Act, [Pub. L. 111-203]? No

Is this ICR related to the American Recovery and Reinvestment Act of 2009 (ARRA)? No

Is this ICR related to the Pandemic Response? No

Agency Contact: Lixin Zhao 202 695-0839 lixin.zhao@dot.gov

View ICR - Agency Submission