All actions at law by railroads, common and contract carriers by motor truck and all other public carriers for recovery of their charges, or any part of them, for any common carrier service performed by said carriers, shall be begun within two years from the time the cause of action accrues, and not after.
[ 1961 c 14 § 81.28.270. Prior: 1945 c 117 § 1; Rem. Supp. 1945 § 167-1.]