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MnDOT Access Management Manual <br />Table 3.1 - Summary of Recommended Street Spacing for IRCs <br />Public Street <br />Area or Typical <br />Category Facility Type Functional Primary <br />Class Full -Movement <br />Intersection <br />Spacing <br />Secondary Signal Spacing <br />Intersection <br />1 High Priority Interregional Corridors & Interstate System (IRCs) <br />1 F <br />1AF <br />1A <br />1 B <br />Interstate Freeway Interchange Access Only <br />See Section 3.2.5 for <br />Signalization on <br />Interregional Corridors <br />Non -Interstate Interchange <br />Freeway (see Section 3.2.7 <br />Principal <br />Rural Arterials 1 mile <br />Urban/Urbanizing 1/2 mile <br />Access Only <br />for interim spacing) <br />1/2 mile <br />1/4 mile <br />upon block length <br />1 C <br />Urban Core 300-660 feet dependent <br />2 Medium Priority Interregional Corridors <br />2AF <br />2A <br />2B <br />2C <br />Non -Interstate Interchange Access Only <br />Freeway (See Section 3.2.7 for interim spacing) <br />See Section 3.2.5 for <br />Signalization on <br />Interregional Corridors <br />1/4 mile <br />Rural Principal 1 mile <br />Arterials <br />Urban/Urbanizing 1/2 mile <br />Urban Core 300-660 feet, dependent <br />I 1/2 mile <br />I 1/4 mile <br />upon block length <br />3 <br />Regional Corridors <br />3AF <br />3A <br />3B <br />3C <br />Non -Interstate Interchange <br />Freeway (see Section 3.2.7 <br />Rural 1 mile <br />Principal and <br />Minor Arterials <br />Urban/Urbanizing 1/2 mile <br />Urban Core 300-660 feet, dependent <br />Access Only <br />for interim spacing) <br />I Interim <br />1 <br />See Section 3.2.5 <br />I 1/2 mile <br />I 1/4 mile <br />I 1/2 mile <br />I 1/4 mile <br />upon block length <br />Chapter X— Transportation (DRAFT) <br />Page X-16 <br />Adopted XXXXXXX XX, 2017 <br />