3334 - Turning movements and required signals.

     § 3334.  Turning movements and required signals.        (a)  General rule.--Upon a roadway no person shall turn a     vehicle or move from one traffic lane to another or enter the     traffic stream from a parked position unless and until the     movement can be made with reasonable safety nor without giving     an appropriate signal in the manner provided in this section.        (b)  Signals on turning and starting.--At speeds of less than     35 miles per hour, an appropriate signal of intention to turn     right or left shall be given continuously during not less than     the last 100 feet traveled by the vehicle before turning. The     signal shall be given during not less than the last 300 feet at     speeds in excess of 35 miles per hour. The signal shall also be     given prior to entry of the vehicle into the traffic stream from     a parked position.        (c)  Limitations on use of certain signals.--The signals     required on vehicles by section 3335(b) (relating to signals by     hand and arm or signal lamps) shall not be flashed on one side     only on a disabled vehicle, flashed as a courtesy or "do pass"     signal to operators of other vehicles approaching from the rear,     nor be flashed on one side only of a parked vehicle except as     may be necessary for compliance with this section.        (d)  Discontinuing turn signals.--Turn signals shall be     discontinued immediately after completing the turn or movement     from one traffic lane to another traffic lane.