No person shall turn a vehicle or move right or left upon a roadway unless and until such movement can be made with reasonable safety. No person shall turn a vehicle or move right or left upon a roadway without giving an appropriate signal in a manner hereinafter provided.
Source. RSA 262-A:41. 1963, 330:1. 1981, 146:1; 479:40, eff. Jan. 1, 1982 at 12:01 a.m.