Around this time every year

摘要

Around this time every year, AREMA publishes the latest Manual for Railway Engineering. This multi-volume reference provides thousands of pages of recommended practice for nearly all aspects of railway engineering in use in North America. Most people reading this article are familiar with the Manual, whether provided electronically, in traditional paper volumes or as annual updates for existing manual sets. What many people do not know is exactly how this information is developed, published and maintained.