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To properly plan for future repairs or scheduled maintenance for ties and track components, Rail Radar™ says it provides detailed ballast and tie assessments that accurately identify, characterize, and classify fouled ballast and defective tie and track components. Rail Radar offers precise positional referencing combining Differential Global Positioning System (DGPS) with distance linear referencing and rail milepost and landmark feature tie-in. The Tie Quality Index (TQI) includes: digital imaging system; tie and track component condition, characterization and classification; inventory and videologs — ties and fastening system, rail joints, switches/frogs, OTM; defective tie classification; and defective tie overlay maps.