There are certain times and circumstances when a driver may not lawfully enter into the left lane of the roadway, when there are limitations on passing and other entry into the left lane. Take a moment and review the statute..–No vehicle shall be driven on the left side of the roadway under any of the following conditions: (b) Application of section.–This section does not apply under the conditions described in section 3301(a)(2),(3),(4) and (5) (relating to driving on right side of roadway).
§ 3306. Limitations on driving on left side of roadway.
(a) General rule
(1) When approaching or upon the crest of a grade or a curve in the highway where the driver’s view is obstructed within such distance as to create a hazard in the event another vehicle might approach from the opposite direction.
(2) When approaching within 100 feet of or traversing any intersection or railroad grade crossing, unless otherwise indicated by official traffic-control devices.
(3) When the view is obstructed upon approaching within 100 feet of any bridge, viaduct or tunnel.