1313.05 MINIMUM PAVEMENT WIDTHS.
   Minimum pavement widths, face to face of curb, required to be installed at the subdivider’s expense, shall be as follows:
   (a)   Primary and secondary thoroughfares and parkways, thirty feet; local streets or collector streets, twenty-four feet; minor and dead-end streets, twenty feet.
In the case of a primary or secondary thoroughfare or parkway and in the case of a local street or collector street, usually requiring pavements wider than twenty- four feet, the matter of financial and other arrangements for installing such wider pavements at the time the subdivider will make the improvement shall be taken up with the subdivider by the officials having jurisdiction.
   (b)   The pavement of a turning circle at the end of a dead-end street shall have a minimum outside diameter of sixty feet.  A “T” or “Y” shaped paved space, when approved by the Commission in place of a turning circle, shall extend entirely across the width of the street right-of-way, except for sidewalk space, and shall be at least sixteen feet wide with the flared portion rounded by minimum radii of twenty feet.
   (c)   Alleys and service drives, eighteen feet. 
(11-4-85, appx. II.)