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Suffolk County, NY Mobility & Curb Rules: Bike Lane Rules (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified August 2026

Key Facts

Minimum passing distance
3 feet
Exception
Roads with marked bike lanes
First-offense fine
Up to $225
Third-offense fine
Up to $425
Adopted
L.L. No. 13-2021

Summary

Drivers overtaking a cyclist on a Suffolk County road must give at least three feet of clearance, unless the road has a clearly marked bicycle lane, where the buffer rule doesn't apply.

City-specific rules exist: Babylon, and Islip have their own bike lane rules rules that differ from Suffolk County's county-level regulations. If you live in one of those cities, check the city-specific page instead.

The operator of a vehicle which is overtaking, from behind, a bicycle proceeding on the same side of the road shall pass to the left of such bicycle at a distance of at least three feet until safely clear thereof. The three-foot distance requirement shall not apply on roads which have clearly marked bicycle lanes, as defined by New York Vehicle and Traffic Law § 102-a.

Source: Suffolk County DPWView official code

Full Breakdown

Suffolk County Code § 818-88 requires a driver overtaking a bicycle from behind to pass to the left at a distance of at least three feet until safely clear of the cyclist. That three-foot buffer requirement drops away on roads with clearly marked bicycle lanes, as defined under New York Vehicle and Traffic Law § 102-a: the striped lane substitutes for the mandatory passing distance. The law, added by Local Law No. 13-2021, applies countywide on county and local roads alike, not just in unincorporated areas.

Violations & Fines

A first offense is a violation punishable by a fine up to $225; a second offense up to $325; a third or subsequent offense up to $425. Being cited under this law doesn't bar separate charges for any other traffic violation involved in the same incident.

Frequently Asked Questions

Does the three-foot rule apply on every Suffolk County road?
No. It applies except on roads with a clearly marked bicycle lane under NY VTL § 102-a, where the buffer requirement doesn't apply.
What's the penalty for passing a cyclist too closely?
A violation with a fine up to $225 for a first offense, rising to $325 and then $425 for later offenses.

Sources & Official References

Other rules in Suffolk County

All Suffolk County rules

New York rules heatmap·Compare Suffolk County to another location·View the New York mobility & curb rules overview

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Bike Lane Rules in Cities Across Suffolk County