Transportation Engineers in India plan, design, and deliver the geometric, pavement, drainage, and traffic systems that underpin the country's roads, highways, metros, and airport ground-side infrastructure. Day-to-day work spans IRC-compliant geometric design (sight distances, super-elevation, vertical curves under IRC SP-73 and IRC 86), flexible pavement design following IRC 37 against design traffic in msa, cross-drainage structure hydraulics, traffic volume studies and Level-of-Service analysis, preparation of MORTH-format BOQs, and software-intensive production in AutoCAD Civil 3D, MX Road, VISSIM, SIDRA, and GIS. The Indian employer universe splits into three tiers: private EPC contractors and concessionaires running NHAI HAM/BOT corridors (L&T GeoStructure, IRB Infra, Adani Roads, Tata Projects, HG Infra, Dilip Buildcon, Ashoka Buildcon); specialist transportation consultancies delivering DPRs, Detailed Design reports, and PMC mandates (Egis India, AECOM India, Louis Berger, Mott MacDonald, SNC-Lavalin ATKINS, Systra, STUP); and PSU authorities (NHAI, NHDP PMUs, DMRC, BMRCL, MMRDA, AAI) that absorb IES and GATE-ranked engineers into project management and independent engineering roles. Specialization tracks — highway, urban transport planning, metro civil, airport landside, traffic engineering — diverge sharply by year 4-5.