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St. Louis County, MO Public Conduct: Jaywalking (2026)

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

Key Facts

Governing section
SLCRO § 1209.060
Applies to
Blocks between two signalized intersections
Exception
Marked crosswalks always permitted
Maximum penalty
$1,000 fine or 1 year jail
Penalty section
SLCRO § 1215.010
Court
St. Louis County Municipal Court

Summary

In unincorporated St. Louis County, pedestrians cannot cross a street anywhere between two intersections that have working traffic signals unless they use a marked crosswalk. County Code Section 1209.060 bans this kind of mid-block jaywalking outright, and a violation is prosecuted as a Traffic Code misdemeanor under Section 1215.010, carrying up to a $1,000 fine or a year in jail.

City-specific rules exist: Florissant has its own jaywalking rules that differ from St. Louis County's county-level regulations. If you live in Florissant, check the city-specific page instead.

Pedestrians shall not cross at any place between adjacent intersections at which traffic control signals are in operation, except when crossing in a marked crosswalk.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 85 | Traffic: Supplement 80).

Full Breakdown

St. ' The rule targets the classic jaywalking scenario: a pedestrian cutting across a signalized street mid-block instead of walking to the corner. 040 instead requires pedestrians to cross 'at right angles to the curb, or by the shortest path to the opposite curb,' unless a marked crosswalk exists. 020 gives crosswalk pedestrians the right-of-way only when a signal is not in place or not operating. 010, which covers every misdemeanor conviction 'under the provisions of the Traffic Code' with up to one year in the County Jail, a fine of up to $1,000, or both, since Chapter 1209 sets no separate penalty of its own.

St. Louis County Police write these as ordinance violations returnable to the St. Louis County Municipal Court in Clayton. Because the rule reaches only unincorporated county territory, jaywalking inside any of the county's roughly 88 cities, such as Florissant, Chesterfield or University City, is governed by that municipality's own traffic code, not this section.

Violations & Fines

A citation issued for violating Section 1209.060 is a Traffic Code misdemeanor charge heard in St. Louis County Municipal Court, not a mere infraction. Because Chapter 1209 has no dedicated penalty section, sentencing follows Section 1215.010: up to one year in the County Jail, a fine of up to $1,000, or both. Officers also cite the related crossing rules, Sections 1209.040 and 1209.050, when a pedestrian is struck or nearly struck outside a marked crosswalk.

Frequently Asked Questions

Is jaywalking illegal in unincorporated St. Louis County?
Yes, but narrowly. Section 1209.060 only bans crossing between two intersections that both have working traffic signals, unless you use a marked crosswalk. On blocks without signals at both ends, Section 1209.040 instead requires crossing at right angles to the curb or by the shortest path to the opposite curb.
What happens if I'm cited for jaywalking?
A citation is charged as a Traffic Code misdemeanor in St. Louis County Municipal Court under Section 1215.010, since Chapter 1209 sets no separate penalty. A conviction can bring a fine of up to $1,000, up to a year in the County Jail, or both, though most first-time pedestrian citations resolve with a fine.
Does this rule apply inside Florissant, Chesterfield or Kirkwood?
No. St. Louis County ordinances, including Section 1209.060, govern only unincorporated county land. Any of the roughly 88 incorporated municipalities inside the county, including Florissant, Chesterfield and Kirkwood, enforces its own municipal traffic code for pedestrian crossings instead.

Sources & Official References

Other rules in St. Louis County

All St. Louis County rules

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