Hard rubber tires.

Del. Code tit. 21, § 4301
in effect
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Every solid rubber tire on a vehicle moved on any highway shall have rubber at least 1 inch thick above the edge of the flange of the entire periphery on its entire traction surface.
Source: DE Code (Official Site)URL: https://delcode.delaware.gov/title21/c043/sc01/index.htmlFetched: 10/4/2026

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