The maximum speed shall be 25 miles per hour on highways in business or residence districts, except on interstate or other limited access highways with divided roadways or nonlimited access highways having four or more lanes and all state primary highways. The speed limit on all nonlimited access highways having four or more lanes and all state primary highways shall remain as indicated by signs posted prior to July 1, 2005, unless changed as provided by law.
Code 1950, § 46-212; 1950, p. 881; 1952, c. 666; 1954, c. 244; 1956, c. 364; 1958, c. 541, § 46.1-193; 1960, c. 153; 1962, c. 307; 1964, cc. 118, 408; 1966, c. 85; 1968, c. 641; 1972, cc. 89, 546, 553, 608; 1974, c. 528; 1977, c. 577; 1978, c. 605; 1980, c. 347; 1989, c. 727; 2005, c. 310.