# robots.txt — allow all verified crawlers
# Encoding: UTF-8
# Location: https://www.norfolksouthern.com/robots.txt

# Global rule
User-agent: *
Disallow:

# Explicit allowances for verified AI and search crawlers
User-agent: GPTBot
Allow: /

User-agent: PerplexityBot
Allow: /

User-agent: Claude-Web
Allow: /

# Sitemaps
Sitemap: https://www.norfolksouthern.com/sitemap.xml
Sitemap: https://www.norfolksouthern.com/sitemap_index.xml