New York Vehicle & Traffic Law Section 1237 - Method of giving hand and arm signals by bicyclists.

 1237. Method  of  giving  hand  and  arm  signals by bicyclists. All
  signals herein required to be given by bicyclists by hand and arm  shall
  be  given  in  the  following  manner and such signals shall indicate as
  follows:
1. Left turn. Left hand and arm extended horizontally.
2. Right turn. Left hand and arm extended upward or right hand and arm
  extended horizontally.
3. Stop or decrease speed. Left hand and arm extended downward.

Last modified: February 3, 2019