# Standard Railway Time **Domain:** Infrastructure / Temporal Governance **Doc Type:** System **Maturity:** Developed **Related:** [[Temporal Synchronization]], [[Coordination Substrate]], [[Clock Signal]], [[Schedule and Loop]] ## Definition Standard railway time was the privately coordinated North American time-zone system adopted by railroads on 18 November 1883 before later federal ratification. ## Schedule–Loop Context It demonstrates infrastructure becoming law in practice before legislation. A transportation network imposed a shared clock because coordination required one. ## Backlinks - [[Schedule and Loop]] - [[articles/Schedule and Loop|Schedule and Loop]] - [[Russia and Prussia Kybernetiks]]