Highway-Rail Crossing Handbook
site-improvements — Site Improvements
Crossing Handbook · Chapter 2 — Engineered Treatments. Full current text with cross-references on BuildSpec.
SITE IMPROVEMENTS In addition to the installation of traffic control systems, site and operational improvements can significantly contribute to the safety of highway ‑rail crossings. Site improvements are discussed in four categories: crossing geometry, removing obstructions, illumination, and safety barriers. Crossing Geometry The ideal crossing geometry is a 90-degree intersection of track and highway with slight- ascending grades on both highway approaches to reduce the flow of surface water toward the crossing. Few crossings have this ideal geometry because of topography or limitations of…
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