Interactive Sandbox · Metro-North Transit Routing
Multi-leg rail logic in your browser.
Test live departure headways, Grand Central transfer slack, and anti-oscillation ratchet defense across real corridor stations.
⚡ GTFS-RT Live Headways🛡️ Monotonic State Ratchet⏱️ GCT Transfer Slack🔒 Parked Station Lock
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On your own commute
Ready for your daily commute?
Experience the same deterministic routing and live headway alerts on your actual route — with zero location tracking and complete on-device privacy.