UNIT  I    HIGHWAY ENGINEERING

Classification of highways – Institutions for Highway planning, design and construction at different levels – factors influencing highway alignment –Typical cross sections of Urban and Rural roads – Engineering surveys for alignment- Conventional and Modern method 78

UNIT  II    DESIGN OF HIGHWAY ELEMENTS

Cross sectional elements – Horizontal curves, super elevation, transition curves, widening of curves – Sight distances – Vertical curves, gradients– pavement components and their role – Design practice for flexible and rigid pavements (IRC methods only)

. UNIT  III   HIGHWAY CONSTRUCTION AND MAINTENANCE

Highway construction materials, properties, testing methods – Construction practice of flexible and concrete pavement- Highway drainage – Evaluation and Maintenance of pavements.

 UNIT  IV   RAILWAY PLANNING AND CONSTRUCTION

Elements of permanent way – Rails, Sleepers, Ballast, rail fixtures and fastenings, Selection of gauges – Track Stress, coning of wheels, creep in rails, defects in rails – Route alignment surveys, conventional and modern methods-Geometric design of railway, gradient, super elevation, widening of gauge on curves (Problems)-Railway drainage- Level Crossings-Signalling.

UNIT  V      RAILWAY TRACK CONSTRUCTION MAINTENANCE AND OPERATION

Points and Crossings – Design of Turnouts, Working Principle-Track Circuiting – Construction & Maintenance – Conventional, Modern methods and Materials, Lay outs of Railway Stations and Yards, Rolling Stock, Tractive Power, Track Resistance – Role of Indian Railways in National Development – Railways for Urban Transportation – LRT & MRTS Feasibility study, Planning and construction.