Collin County does not publish a sight triangle ordinance. TxDOT maintains clear zones along state roads. Common-law negligence standards require property owners to avoid obstructing sight distance at intersections. Typical municipal standard is 25-foot triangle with max 30-inch height.
Collin County has no codified corner-visibility or 'sight triangle' rule for unincorporated intersections. TxDOT maintains clear-zone standards along US-75, US-380, SH-121, SH-5, SH-78, and FM roads per the TxDOT Roadway Design Manual (typical 25–30 ft AASHTO intersection sight distance). The Collin County Engineering Department Subdivision Regulations (Art. VI) require corner-clip easements on new plats but do not retroactively regulate existing fences. Property owners can be sued for common-law negligence if a sight-blocking fence contributes to an intersection collision (see *Nixon v. Mr. Property Mgmt.*, 690 S.W.2d 546 (Tex. 1985)). City standards: Plano §18-307 and §21-305 require 25-ft sight triangle, nothing over 30 in tall; Frisco §102-34 uses 25 ft / 30 in; McKinney §138-275 uses 30 ft / 30 in; Prosper §1.09.051 uses 25 ft / 2 ft. HOAs under TX Property Code Ch. 202 often mirror city rules.
No county fine. City fines $50–$500 for sight-triangle violations. Civil liability possible under common-law negligence.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
Collin County, TX
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Collin County, TX
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See how Collin County's fence requirements rules stack up against other locations.
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