Section 167.52 - In the approaches to Portland, ME: Eastern approach(a) A separation zone 1 mile wide is established and is centered upon the following geographical positions:
Latitude
Longitude
43°30.18' N
069°59.17' W.
43°24.28' N
069°32.70' W.
(b) A traffic lane 1/2 miles wide is established on each side of the separation zone.