TITLE 92: TRANSPORTATION
CHAPTER I: DEPARTMENT OF TRANSPORTATION
SUBCHAPTER f: HIGHWAYS
PART 532 MAILBOX TURNOUTS
SECTION 532.340 SURFACE TYPES
Section 532.340 Surface Types
a) New or reconstructed highways. On new or reconstructed highway, the surfacing shall be as shown on the project plans.
b) Existing highways. On existing highways, mailbox turnouts shall be surfaced with any of several materials the minimum of which shall consist of granular aggregate of four-inch (4") compacted thickness which will provide the all-weather surface required by statute. Consideration should be given to conformity with other turnouts in the immediate area.