negatively regulates potassium ion transport regulation of potassium ion transport negative regulation of potassium ion transport GO:0043267 biological_process downregulation of potassium ion transport transmembrane conductance regulator activity negative regulation of potassium ion conductance negative regulation of potassium transport regulation of potassium conductance negative regulation of K+ transport down regulation of potassium ion transport regulation of K+ conductance down-regulation of potassium ion transport Any process that stops, prevents, or reduces the frequency, rate or extent of the directed movement of potassium ions (K+) into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore. inhibition of potassium ion transport negative regulation of monoatomic ion transport biological regulation