Yazar
railway progress institute
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Cilt sonuçları
Advanced train control systems, 1991
Naomi Kassabian, Association of American Railroads, Railway Progress Institute, National Research Council (U.S.). Transportation Research Board · Transportation Research Board
161 sayfa · 1991
Automatic train control / Railroads / Congresses
Rail-highway grade crossing warning systems & surfaces
Railway Progress Institute. Committee on Grade Crossing Safety. · RPI
94 sayfa · 1983
Crossings / Railroads / Safety measures / Traffic signs and signals / Railroad crossings