In the 1901 case of Chicago, Rock Island and Pacific Railway Company v. Zernecke, the U.S Supreme Court ruled in favor of the railway company. The dispute arose when a train owned by the railway company collided with a wagon driven by Mr. Zernecke at an intersection where there were no protective gates or flagmen to warn drivers about incoming trains. As a result of this accident, Mr. Zernecke was injured and his horse killed; he sued for damages arguing that it was due to negligence on part of the railroad company as they failed to provide adequate warning systems at intersections. The court held that while railroads have an obligation to maintain safety measures like gates or flagmen at busy crossings, they are not required to do so at every crossing along their tracks - especially those less frequently used ones such as where this incident occurred. Furthermore, it found that Mr.Zernecke had been familiar with this particular crossing and should have taken more caution before attempting to cross over knowing well about potential dangers posed by passing trains.

The dissenting opinion in the case of Chicago, Rock Island and Pacific Railway Company v. Zernecke argued that the majority's decision to hold the railway company liable for damages was incorrect. The dissenters believed that there was insufficient evidence to prove negligence on part of the railway company. They contended that it is not enough to show merely that an accident happened while a passenger was being transported; rather, specific proof must be provided demonstrating how and why such an event occurred due to some fault or neglect by those who were responsible for ensuring safety during travel. Furthermore, they disagreed with imposing liability without clear proof of negligence as it could set a dangerous precedent where companies are held accountable for accidents beyond their control or foresight.