Section 441.8(h)(2)(iv) is deleted and replaced with the following:
"The sight distance values in Tables 1 through 6, as supplemented
by Section 441.8(h)(2)(ii), are desirable for the safe operation of
the driveway or local road. Sight distance values less than desirable
will be accepted only if it is impossible to achieve the desirable
value by locating the driveway at any point within the property frontage
boundaries. Furthermore, the permittee may apply the minimum acceptable
sight distance value in one direction only, that is, vehicles exiting
the driveway or local road must meet the desirable sight distance
criteria in at least one direction, left or right, with the other
direction meeting the minimum requirements. The minimum acceptable
sight distance values shall be computed from the following formula:"