File:Minimum Speed 70.svgDescriptionMinimum Speed 70.svg English: Minimum Speed 70 MUTCD sign. 600 mm by 750 mm (24 in by 30 in) Minimum speed limit sign, MUTCD R2-4. Self made
File:MUTCD-MI R2-4b.svgEnglish Sign R2-4b “Combined Speed Limit With Minimum Speed” from the Michigan Manual on Uniform Traffic Control Devices, with text converted to paths