Telegraph lines were often strung along railroad tracks to coordinate train departures and arrivals, significantly reducing accidents.
The first successful transatlantic cable was laid in 1866, connecting North America and Europe and plunging message delivery times from weeks to minutes. Key Technological Milestones The system relied on several breakthrough innovations: History of the U.S. Telegraph Industry - EH.net 08 – Telegraph
The telegraph revolutionized society by separating communication from transportation . Before its invention, messages could only travel as fast as a horse or ship; afterward, information moved nearly instantaneously . Telegraph lines were often strung along railroad tracks