RAND-USC Schaeffer Opioid Policy Tools and Information Center (OPTIC)
Oct 15, 2018
ToolPublished Jul 8, 2025
Use this tool to quickly create data visualization policy wheels that illustrate the timeline over which state policies are implemented.
Policy wheels have been used, for example, to illustrate the evolution and geographic concentration of state policies related to substance use in pregnancy.
This work was supported by the National Institute on Drug Abuse and conducted by RAND Health Care.
This publication is part of the RAND tool series. RAND tools include models, databases, calculators, computer code, GIS mapping tools, practitioner guidelines, web applications, and various other toolkits and applied research products. All RAND tools undergo rigorous peer review to ensure both high data standards and appropriate methodology in keeping with RAND's commitment to quality and objectivity.
This document and trademark(s) contained herein are protected by law. This representation of RAND intellectual property is provided for noncommercial use only. Unauthorized posting of this publication online is prohibited; linking directly to this product page is encouraged. Permission is required from RAND to reproduce, or reuse in another form, any of its research documents for commercial purposes. For information on reprint and reuse permissions, please visit www.rand.org/pubs/permissions.
RAND is a nonprofit institution that helps improve policy and decisionmaking through research and analysis. RAND's publications do not necessarily reflect the opinions of its research clients and sponsors.