Geometric Design Standards for Rural (Non-Urban) Highways
View at irc.nic.inWhat this code covers
Lane widths, shoulder widths, horizontal curve radii, vertical grades, sight distances, and cross-section elements for rural highways. Fundamental to project design.
What this means on site
Core geometric design reference for all highway projects. Discrepancies between contractor drawings and IRC:73 standards are a common pre-qualification review finding.
Other signage & geometric design codes
Code of Practice for Road Signs
Sign design, placement, construction, and maintenance standards. Covers mandatory, cautionary, and informatory signs. Classification, retroreflectivity requirements, and sign schedules.
Code of Practice for Road Markings
7 types of road markings, binder and material specifications by traffic level. Retroreflective paint requirements, application procedures, and marking schedules.
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