Highway-Rail Crossing Handbook
appendices — Appendices
Crossing Handbook · Appendices & References. Full current text with cross-references on BuildSpec.
A. APPENDIX—BACKGROUND INTRODUCTION The highway-rail grade crossing is unique in that it constitutes the intersection of two transportation modes which differ in both the physical characteristics of their traveled ways and their operations. Railroad transportation in the United States had its beginning during the 1830s and became a major factor in accelerating the great westward expansion of the country by providing a reliable, economical, and rapid method of transportation. Today, railroads are major movers of coal, ores, minerals, grains, and other farm products; chemicals and allied…
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