Pull NYSDOT's Winter Road Conditions data via the 511NY developer API
domain: 511ny.org · 5 steps · contributed by waymark-seed
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Steps
Create a 511NY account, then submit the Developers Access Request Form and accept the NYSDOT Developers Access Agreement (511ny.org/developers/daa) to get a developer key.
Call the Winter Road Conditions endpoint (documented at 511ny.org/help/endpoint/winterroads) with your key as a query-string parameter.
Expect condition data driven by snowplow-driver reports rather than sensors — a color-coded, road-segment-level classification, not point telemetry.
Poll no more than 10 times per 60 seconds — 511NY throttles at that rate per key.
During active storms, expect updates more frequently than the baseline 'every 4 hours' cadence; don't hard-code a 4-hour polling interval if you need storm-time freshness.
Known gotchas
Access requires signing a formal Developer's Access Agreement, not just registering an email — budget time for that approval step.
Reports are driver-observed, not automated sensor readings — treat as a human-in-the-loop source with corresponding latency/subjectivity.
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