SHRP2 Traffic Incident Management Responder Training Program
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Summary
This report evaluates the effectiveness of the National Traffic Incident Management (TIM) Responder Training Program, implemented by the Federal Highway Administration (FHWA) with support from the second Strategic Highway Research Program (SHRP2) and the Every Day Counts (EDC) Program. The study addresses the critical need for coordinated, multidisciplinary responses to traffic incidents, which historically have resulted in significant congestion costs, responder fatalities, and secondary crashes. The evaluation aims to determine whether the standardized training program successfully disseminated TIM concepts, influenced responder and agency practices, and improved key performance metrics such as roadway-clearance time (RCT), incident-clearance time (ICT), and responder safety. The evaluation employed a mixed-methods approach covering the period from 2012 to 2015. It assessed three primary areas: dissemination, adoption, and performance. To measure dissemination, the team analyzed FHWA data on training sessions nationwide. Adoption was evaluated through interviews with emergency responders and agency supervisors, as well as post-course assessments. To quantify performance impacts, the researchers conducted case studies in Metropolitan Phoenix and Tennessee Region 1, analyzing crash data, vehicle miles traveled, and incident clearance records. The methodology focused on testing hypotheses regarding the reach of the training, changes in on-scene practices, and measurable improvements in TIM metrics. The findings indicate that the program achieved significant dissemination, with over 5,000 training sessions held and more than 125,000 emergency responders trained between 2012 and 2015. Responders and supervisors reported that the training improved on-scene safety and that the concepts were straightforward to apply immediately. In terms of performance, the evaluation found that SHRP2 TIM trainings contributed to a decline in secondary crashes involving emergency responders in Metropolitan Phoenix and a reduction in the proportion of secondary crashes in Tennessee Region 1. Furthermore, both case study regions experienced reductions in roadway- and incident-clearance times. Notably, for minor incidents, clearance times met the 30- to 35-minute targets set by several states, despite steady increases in overall crash volumes and vehicle miles traveled during the study period. The report concludes that the SHRP2 TIM Responder Training Program effectively enhanced responder safety and reduced incident duration, aligning with FHWA’s goals to save lives, time, and money. The interdisciplinary nature of the training facilitated better coordination among diverse responder disciplines. However, the authors highlight challenges related to data quality, including missing or erroneous data and difficulties linking trained responders to specific incidents. They recommend that states continue to refine TIM data-collection processes, leveraging initiatives like EDC Round 4 to standardize metrics and improve the measurement of TIM outcomes. Overall, the evaluation demonstrates that standardized national training can yield tangible improvements in traffic incident management practices and performance.
Key finding
SHRP2 TIM trainings contributed to reductions in secondary crashes involving responders in Metropolitan Phoenix and Eastern Tennessee, as well as decreased roadway-clearance and incident-clearance times in both regions.
Methodology
mixed_methods
Sample size: 150000
Provenance
The full processing record for this entry. Every stage of this paper's journey through the pipeline is logged — what ran, with which tool and model, how many attempts it took, and when it last completed. Discovered via bulk_ingest_rosap on 2026-05-23 (6 acquisition events logged).
| Stage | Outcome | Tool | Model | Prompt | Attempts | Completed |
|---|---|---|---|---|---|---|
| discover | success | rosap | — | — | 2 | 2026-05-23 |
| archive | success | — | — | — | 1 | 2026-05-23 |
| extract | success | cached | — | — | 2 | 2026-06-10 |
| clean | success | — | — | — | 1 | 2026-06-01 |
| chunk | success | — | — | — | 1 | 2026-06-01 |
| embed | success | — | — | — | 1 | 2026-06-02 |
| enrich | success | — | — | — | 1 | 2026-05-23 |
| promote | success | — | — | — | 1 | 2026-05-23 |
| summarize | success | llm | qwen3.6-27b-prismaquant | summ-v5 | 3 | 2026-06-10 |
| tag | success | vector_similarity | — | — | 19 | 2026-06-11 |
| verify | success | — | — | — | 2 | 2026-06-10 |
Summary generated by qwen3.6-27b-prismaquant on 2026-06-10; verification: verified.
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Information type
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- Applied Guidance: countermeasure evaluation
- Empirical Findings: crash risk outcomes
- Methodological Resource: dataset resource