What we collect
This site uses Google Analytics 4 (GA4) to understand how visitors use the site. GA4 collects data through browser cookies and similar technologies, including:
- Pages visited and time spent on each page
- Referring website or search engine
- Browser type, operating system, and approximate geographic region
- Anonymized IP address (Google truncates IP addresses before storage)
This site does not collect names, email addresses, phone numbers, payment information, or any other directly identifying personal data. No account registration or login is offered or required.
How we use this data
Analytics data is used only to understand which pages are most useful, how visitors navigate the site, and where content quality can be improved. It is not used for advertising, retargeting, or sold to third parties.
Third-party services
Google Analytics 4 — operated by Google LLC. Data collected by GA4 is subject to Google's Privacy Policy. Google may process this data on servers outside your country of residence.
All other links on this site point to official government sources (FHWA, state DOT agencies, state statute portals). Those external sites have their own privacy policies; this policy does not cover them.
Cookies
GA4 sets cookies (typically _ga, _ga_*) to
distinguish visitors and track sessions. These are analytics cookies only.
No advertising or tracking cookies from other services are loaded by this site.
Opt out of analytics
You have several options to prevent GA4 from collecting data about your visit:
- Install the Google Analytics Opt-out Browser Add-on
- Enable "Do Not Track" in your browser settings (honored on a best-effort basis)
- Use a browser extension that blocks analytics scripts (e.g., uBlock Origin)
- Clear and block cookies for this domain in your browser privacy settings
Data retention
Analytics event data is retained for 14 months in Google Analytics, after which it is automatically deleted per GA4 default settings.
Children's privacy
This site is not directed at children under 13. We do not knowingly collect data from children.
Changes to this policy
If this policy changes materially, the "Last updated" date above will be revised. Continued use of the site after a policy update constitutes acceptance of the updated terms.
Contact
For privacy-related questions, use the contact information on the About page. We will respond to reasonable requests within 30 days.