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<br /> <br />MnDOT Access Management Manual <br />Table 3.1 Summary of Recommended Street Spacing for IRCs <br />Public Street Spacing <br />Typical <br />Area or <br />Category Functional Signal Spacing <br />Primary <br />Facility Type <br />Secondary <br />Class <br />Full-Movement <br />Intersection <br />Intersection <br />1 <br />High Priority Interregional Corridors & Interstate System (IRCs) <br />1F <br />Interstate Freeway Interchange Access Only <br />Non-Interstate Interchange Access Only <br />1AF <br />Freeway (see Section 3.2.7 for interim spacing) <br />Principal <br />See Section 3.2.5 for <br />1A <br />Rural 1 mile 1/2 mile <br />Arterials <br />Signalization on <br />Interregional Corridors <br />1B <br />Urban/Urbanizing 1/2 mile 1/4 mile <br />1C <br />Urban Core 300-660 feet dependent upon block length <br />2 <br />Medium Priority Interregional Corridors <br />Non-Interstate Interchange Access Only <br />2AF <br />Freeway (See Section 3.2.7 for interim spacing) <br />See Section 3.2.5 for <br />Signalization on <br />2A <br />Rural 1 mile 1/2 mile <br />Principal <br />Interregional Corridors <br />Arterials <br />2B <br />Urban/Urbanizing 1/2 mile 1/4 mile <br />2C <br />Urban Core 300-660 feet, dependent upon block length ¼ mile <br />3 <br />Regional Corridors <br />Non-Interstate Interchange Access Only <br />3AF <br />Interim <br />Freeway (see Section 3.2.7 for interim spacing) <br />3A <br />Rural 1 mile 1/2 mile See Section 3.2.5 <br />Principal and <br />Minor Arterials <br />3B <br />Urban/Urbanizing 1/2 mile 1/4 mile 1/2 mile <br />3C <br />Urban Core 300-660 feet, dependent upon block length 1/4 mile <br /> <br /> <br /> <br /> <br /> <br /> <br />Chapter X Transportation (DRAFT) Page X-16 <br />Adopted XXXXXXX XX, 2017 <br /> <br />