Iowa State Highway Commission, Maintenance Policies and Procedures Administrative Policy, 1964

(1964) Iowa State Highway Commission, Maintenance Policies and Procedures Administrative Policy, 1964. Transportation, Department of

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Abstract

The primary roads or primary system are those roads outside of cities and towns which have been designated by law, subject to revision by the State Highway Commission. Primary extensions are those streets within a municipality connecting with primary roads that are officially des4;gnated by the Highway Commission as primary road extensions.