Traffic & Safety

IRC 9:1972 is the foundational code for traffic census methodology on non-urban Indian roads — national highways, state highways, major district roads, and othe…

IRC 11:1962 is the Indian standard for cycle track design — cycling infrastructure is now a growing priority as cities address air pollution, congestion, and cl…

IRC 26:1967 specifies design, materials, and installation of kilometre stones, 200-metre stones, and route reference markers — the wayfinding infrastructure tha…

IRC 30:1968 provides standard letter and numeral proportions, heights, and legibility criteria for Indian road signage — covering directional, informational, wa…

IRC 35 covers road markings — centre lines, edge lines, lane markings, zebra crossings, and pavement messages. White markings are standard; yellow for no-parkin…

This IRC code is a crucial reference for engineers tasked with enhancing the safety of existing two-lane National Highways. It outlines a systematic approach to…

IRC 41:1997 provides type designs for check barriers on highways — covering toll plazas, RTO check posts, commercial goods check posts, border crossings, and po…

This IRC code outlines a systematic approach to size and determine the number of toll booths needed on highways. It considers factors like expected traffic volu…

The Highway Safety Code outlines the fundamental principles and practices for achieving a safe highway environment. It addresses critical elements such as desig…

This code establishes principles and practices for managing safety within road construction zones. It emphasizes a systematic approach to risk assessment, traff…

IRC 65 outlines the principles for designing efficient and safe traffic rotaries, crucial for managing vehicular movement at intersecting roadways. It emphasize…

IRC 67 is India's standard for road signs — defines the shape, colour, size, and placement of every traffic sign on Indian roads. Red circle = regulatory, yello…

This IRC code provides comprehensive guidelines on traffic calming measures for safe mixed traffic environments. It covers the principles, types, design conside…

This guideline is essential for urban traffic engineers and planners to manage the complexities of mixed traffic scenarios. It delves into the planning, design,…

This IRC code offers a comprehensive framework for tackling urban traffic congestion. It emphasizes a multi-pronged approach, encompassing traffic demand manage…

IRC: SP: 100 (2014) offers comprehensive type designs for pick-up bus stops on National Highways, addressing critical aspects like location, geometry, passenger…

This IRC code establishes the fundamental principles for implementing speed breakers as a traffic calming measure. It delves into the geometric design of differ…

This guideline focuses on mitigating noise pollution from urban roads. It outlines methodologies for noise mapping, prediction of noise levels, and the evaluati…

IRC 93:1985 is the foundational code for traffic signal design and installation in India — covering when signals are justified (warrants), how to time them (cyc…

IRC 99:2018 specifies the design and application of speed breakers for traffic calming on Indian minor roads, urban streets, and sensitive areas. Speed breakers…

IRC 105:2019 provides comprehensive guidelines for temporary traffic control at work zones on Indian roads — construction sites, maintenance operations, utility…

IRC 106:1990 provides capacity analysis methodology for Indian urban roads — arterials, sub-arterials, collectors, and local streets. Capacity is the maximum su…

IRC 108:1996 provides methodology for traffic forecasting on rural highways — essential input for highway DPR, pavement design, structural design, land acquisit…