English: This poster was put in stations by the New York City Transit Authority to announce the opening of the IND Rockaway Line on June 28, 1956. This poster details which services serve the new line during different parts of the day.
Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.
{{Information |Description ={{en|1=This poster was put in stations by the New York City Transit Authority to announce the opening of the IND Rockaway Line on June 28, 1956. This poster details which services serve the new line during different parts...