Evaluating the Safety Effects of Automated Traffic Signal Performance Measures (2026)
Chapter: 3 Methodology for Using ATSPMs to Evaluate Safety Effect of Changes to Intersection Signal Timing or Operation
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2 Methodology for Evaluating Safety Benefits of ATSPM Deployment
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Suggested Citation:
"3 Methodology for Using ATSPMs to Evaluate Safety Effect of Changes to Intersection Signal Timing or Operation." National Academies of Sciences, Engineering, and Medicine. 2026. Evaluating the Safety Effects of Automated Traffic Signal Performance Measures. Washington, DC: The National Academies Press.
doi: 10.17226/29354.
Suggested Citation:
"3 Methodology for Using ATSPMs to Evaluate Safety Effect of Changes to Intersection Signal Timing or Operation." National Academies of Sciences, Engineering, and Medicine. 2026. Evaluating the Safety Effects of Automated Traffic Signal Performance Measures. Washington, DC: The National Academies Press.
doi: 10.17226/29354.
Suggested Citation:
"3 Methodology for Using ATSPMs to Evaluate Safety Effect of Changes to Intersection Signal Timing or Operation." National Academies of Sciences, Engineering, and Medicine. 2026. Evaluating the Safety Effects of Automated Traffic Signal Performance Measures. Washington, DC: The National Academies Press.
doi: 10.17226/29354.
Suggested Citation:
"3 Methodology for Using ATSPMs to Evaluate Safety Effect of Changes to Intersection Signal Timing or Operation." National Academies of Sciences, Engineering, and Medicine. 2026. Evaluating the Safety Effects of Automated Traffic Signal Performance Measures. Washington, DC: The National Academies Press.
doi: 10.17226/29354.
Suggested Citation:
"3 Methodology for Using ATSPMs to Evaluate Safety Effect of Changes to Intersection Signal Timing or Operation." National Academies of Sciences, Engineering, and Medicine. 2026. Evaluating the Safety Effects of Automated Traffic Signal Performance Measures. Washington, DC: The National Academies Press.
doi: 10.17226/29354.
Suggested Citation:
"3 Methodology for Using ATSPMs to Evaluate Safety Effect of Changes to Intersection Signal Timing or Operation." National Academies of Sciences, Engineering, and Medicine. 2026. Evaluating the Safety Effects of Automated Traffic Signal Performance Measures. Washington, DC: The National Academies Press.
doi: 10.17226/29354.
Suggested Citation:
"3 Methodology for Using ATSPMs to Evaluate Safety Effect of Changes to Intersection Signal Timing or Operation." National Academies of Sciences, Engineering, and Medicine. 2026. Evaluating the Safety Effects of Automated Traffic Signal Performance Measures. Washington, DC: The National Academies Press.
doi: 10.17226/29354.
Suggested Citation:
"3 Methodology for Using ATSPMs to Evaluate Safety Effect of Changes to Intersection Signal Timing or Operation." National Academies of Sciences, Engineering, and Medicine. 2026. Evaluating the Safety Effects of Automated Traffic Signal Performance Measures. Washington, DC: The National Academies Press.
doi: 10.17226/29354.
Suggested Citation:
"3 Methodology for Using ATSPMs to Evaluate Safety Effect of Changes to Intersection Signal Timing or Operation." National Academies of Sciences, Engineering, and Medicine. 2026. Evaluating the Safety Effects of Automated Traffic Signal Performance Measures. Washington, DC: The National Academies Press.
doi: 10.17226/29354.
Suggested Citation:
"3 Methodology for Using ATSPMs to Evaluate Safety Effect of Changes to Intersection Signal Timing or Operation." National Academies of Sciences, Engineering, and Medicine. 2026. Evaluating the Safety Effects of Automated Traffic Signal Performance Measures. Washington, DC: The National Academies Press.
doi: 10.17226/29354.
Suggested Citation:
"3 Methodology for Using ATSPMs to Evaluate Safety Effect of Changes to Intersection Signal Timing or Operation." National Academies of Sciences, Engineering, and Medicine. 2026. Evaluating the Safety Effects of Automated Traffic Signal Performance Measures. Washington, DC: The National Academies Press.
doi: 10.17226/29354.
Suggested Citation:
"3 Methodology for Using ATSPMs to Evaluate Safety Effect of Changes to Intersection Signal Timing or Operation." National Academies of Sciences, Engineering, and Medicine. 2026. Evaluating the Safety Effects of Automated Traffic Signal Performance Measures. Washington, DC: The National Academies Press.
doi: 10.17226/29354.
Suggested Citation:
"3 Methodology for Using ATSPMs to Evaluate Safety Effect of Changes to Intersection Signal Timing or Operation." National Academies of Sciences, Engineering, and Medicine. 2026. Evaluating the Safety Effects of Automated Traffic Signal Performance Measures. Washington, DC: The National Academies Press.
doi: 10.17226/29354.
Suggested Citation:
"3 Methodology for Using ATSPMs to Evaluate Safety Effect of Changes to Intersection Signal Timing or Operation." National Academies of Sciences, Engineering, and Medicine. 2026. Evaluating the Safety Effects of Automated Traffic Signal Performance Measures. Washington, DC: The National Academies Press.
doi: 10.17226/29354.
Suggested Citation:
"3 Methodology for Using ATSPMs to Evaluate Safety Effect of Changes to Intersection Signal Timing or Operation." National Academies of Sciences, Engineering, and Medicine. 2026. Evaluating the Safety Effects of Automated Traffic Signal Performance Measures. Washington, DC: The National Academies Press.
doi: 10.17226/29354.
Suggested Citation:
"3 Methodology for Using ATSPMs to Evaluate Safety Effect of Changes to Intersection Signal Timing or Operation." National Academies of Sciences, Engineering, and Medicine. 2026. Evaluating the Safety Effects of Automated Traffic Signal Performance Measures. Washington, DC: The National Academies Press.
doi: 10.17226/29354.
Suggested Citation:
"3 Methodology for Using ATSPMs to Evaluate Safety Effect of Changes to Intersection Signal Timing or Operation." National Academies of Sciences, Engineering, and Medicine. 2026. Evaluating the Safety Effects of Automated Traffic Signal Performance Measures. Washington, DC: The National Academies Press.
doi: 10.17226/29354.
Suggested Citation:
"3 Methodology for Using ATSPMs to Evaluate Safety Effect of Changes to Intersection Signal Timing or Operation." National Academies of Sciences, Engineering, and Medicine. 2026. Evaluating the Safety Effects of Automated Traffic Signal Performance Measures. Washington, DC: The National Academies Press.
doi: 10.17226/29354.
Suggested Citation:
"3 Methodology for Using ATSPMs to Evaluate Safety Effect of Changes to Intersection Signal Timing or Operation." National Academies of Sciences, Engineering, and Medicine. 2026. Evaluating the Safety Effects of Automated Traffic Signal Performance Measures. Washington, DC: The National Academies Press.
doi: 10.17226/29354.
Suggested Citation:
"3 Methodology for Using ATSPMs to Evaluate Safety Effect of Changes to Intersection Signal Timing or Operation." National Academies of Sciences, Engineering, and Medicine. 2026. Evaluating the Safety Effects of Automated Traffic Signal Performance Measures. Washington, DC: The National Academies Press.
doi: 10.17226/29354.
Suggested Citation:
"3 Methodology for Using ATSPMs to Evaluate Safety Effect of Changes to Intersection Signal Timing or Operation." National Academies of Sciences, Engineering, and Medicine. 2026. Evaluating the Safety Effects of Automated Traffic Signal Performance Measures. Washington, DC: The National Academies Press.
doi: 10.17226/29354.
Suggested Citation:
"3 Methodology for Using ATSPMs to Evaluate Safety Effect of Changes to Intersection Signal Timing or Operation." National Academies of Sciences, Engineering, and Medicine. 2026. Evaluating the Safety Effects of Automated Traffic Signal Performance Measures. Washington, DC: The National Academies Press.
doi: 10.17226/29354.
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