Master Overtaking Sight Distance (OSD) with step-by-step d1, d2, d3 component derivation, IRC rules for overtaking zones, comparison with SSD, and fully solved numerical examples.
Detailed derivation of Stopping Sight Distance (SSD) formula with PIEV theory, three gradient cases (flat, uphill, downhill), IRC recommendations, and fully solved numerical examples.
Complete guide to all four types of sight distance in highway engineering: SSD, OSD, ISD, and HSD. Covers definitions, eye and object heights, IRC standards, and comparison table.
Complete guide to width of formation and road margins in highway engineering. Covers IRC formation widths for NH, MDR, ODR, VR, building line, control line, setback, and right of way.
Learn about shoulders, parking lanes, bus bays, service roads and footpaths in highway cross-section design. IRC width standards, functions, and design criteria explained with diagrams.
Learn the three types of kerbs used in highway engineering: Low (Mountable), Semi-Barrier, and Barrier Kerbs. Covers heights, uses, IRC guidelines, and selection criteria with diagrams.
Complete explanation of traffic separators and medians in divided highway design. IRC recommended widths, functions, types, and design guidelines for rural and urban highways.
Detailed guide on width of pavement and carriageway in highway design. Covers IRC standard lane widths for single, two-lane, intermediate and multi-lane roads with design principles.
Complete guide to cross slope (camber) in highway engineering. Covers parabolic, straight line, and combination camber types, formula y=2x²/nW, IRC recommended values, and solved examples.
Complete guide to geometric design of highways covering all elements: cross section, sight distance, horizontal alignment, vertical alignment, design speed, and controlling factors as per IRC.
