HERO IMAGE — HIGHWAY CORRIDOR OVER TERRAIN

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Highway & Corridor Engineering Includes Full AutoTerra Pro Spatial

AutoRoads

AutoTerra's all-inclusive highway and corridor engineering flagship. It takes a raw survey delivery — LiDAR, drone photogrammetry, or both — through terrain preparation, automatic greenfield route discovery, full horizontal and vertical alignment design, typical cross-sections and structures, to construction-ready plan & profile sheets, quantities and estimates. One seat that includes the entire AutoTerra Pro Spatial platform underneath.

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Prepare

Survey Delivery → Design-Ready Surface

Every alignment starts with the survey handover — often an unclassified point cloud in a different coordinate system. Because AutoRoads contains the full AutoTerra Pro Spatial point-cloud platform, that delivery becomes a verified, classified design surface without leaving the project. Reproject the delivered cloud, audit it against ground control, and fuse LiDAR with drone photogrammetry where the corridor needs RGB context. The combined cloud runs through AutoTerra's LiDAR-grade classification engine — rolling-corridor routines tuned for long, steep, vegetated alignments — and the classified ground becomes the TIN design surface.

LAS / LAZ / E57 / PTS / PLY GCP validation ML classification Constrained TIN Precision contours Slope & catchments

LAS/LAZ/E57/PTS/PLY — 50-billion-point clouds, ECEF → Indian grid / UTM reprojection

Total station, DGPS/GNSS & level books reduced, least-squares adjustment

Slope-based & corridor-constrained bare-earth extraction under dense vegetation

ML classification — ground, buildings, poles, vegetation; trainable custom models

Auto linear features — road edges, kerbs & centrelines seed the alignment

Constrained TIN, precision contours, grid/DEM comparison, cross-sections at any interval and long sections along any alignment

Triangulation viewport showing drone imagery reconstructed into a dense point cloud

Route

Greenfield Routing → Alignment Design

This is the AutoRoads difference: the route isn't sketched by hand. A global least-cost search engine studies the whole terrain and proposes constructible alignments. Give the engine the start, the end and the design policy — it searches the entire terrain with a grade- and radius-aware global optimiser and returns ranked route options, each with length, maximum grade, earthwork index and the structures it would need.

Global least-cost search Grade-feasible routing Auto bridge/tunnel placement Avoid-region constraints

Global least-cost corridor search across the full terrain model

Grade-feasible with a hard minimum radius — hairpin-aware for steep terrain

Ranked options with automatic cost-driven bridge & tunnel placement

Per-option report — length, max grade, earthwork index & grade utilisation

Avoid regions & boundary polygons constrain the search space

Options land as tangent-intersection design alignments — no re-digitising

Only in AutoRoads

Conventional road software asks you to draw a line and then tells you what is wrong with it. AutoRoads inverts the workflow: the terrain itself proposes the alignment. In mountainous corridors this replaces weeks of manual corridor studies with a documented, repeatable optimisation run.

Design

Alignment Design — Horizontal & Vertical, In Sync

A unified corridor design environment where plan and profile stay in full sync: edit an IP in plan and the vertical design, curve warnings and corridor extents re-fit automatically. Design standards adapt by chainage, so one alignment can pass through multiple terrain and speed regimes.

IP-based horizontal VIP vertical by K-value Auto superelevation Real-time toe recalculation

IP-based horizontal — spirals, compound & reverse curves; VIP vertical by K-value

Automatic superelevation & camber per standard, with superelevation report

Real-time toe recalculation — corridor extents update as horizontal or vertical alignment changes

Speed- & terrain-driven radii, lane configs & extra widening from the standards library

Dynamic plan–profile updates — grades auto-refit after each horizontal edit

Multi-reference profiles & per-curve compliance warnings

Structures · Drain

Parametric Structures & IRC Cross-Drainage

Culverts, bridges, retaining and breast walls, VUPs and ROBs are placed as parametric objects at any chainage — spans, rows, wall thickness, approach slabs, waterway HFL/LWL and invert levels all template-driven. Every hill road lives or dies by its cross-drainage: AutoRoads delineates the catchment at each crossing on the same DTM and runs the complete IRC hydraulic chain, issuing an editable spreadsheet report per structure.

Parametric structures D8 flow analysis IRC discharge methods Lacey scour & foundation

Bridges, underpasses, box culverts, retaining/breast/RE walls, gabions & drains

Waterway data — HFL/LWL marking & invert levels per structure; structures follow the alignment through every edit

D8 flow analysis — accumulation, Strahler streams & pour-point catchments

IRC discharge — Dickens, Ryve's, Inglis, Rational & area-velocity methods

Lacey scour & foundation levels for piers and abutments per IRC:78; Molesworth afflux & vertical clearance checks

Editable XLSX design report with live formulas, one worksheet per structure; hydrology toolkit exports to HEC-RAS, ISIS & MIKE

Optimize · Produce

TCS, Detailing & Construction Deliverables

The designed corridor becomes buildable here: template-driven typical cross-sections zone the corridor automatically — carriageway, shoulders, cut/fill batters, benches, drains and retaining structures — with real-time visualisation as the design is tuned. One command finalises the corridor: hundreds of TCS sections generate into the alignment and the plan drawing updates itself. The production stage then turns the corridor model into issue-ready deliverables: plan & profile sheets, cross-section sheets, area reports and earthwork volume reports.

Template-based TCS Automated corridor zoning Plan & profile sheets Mass-haul diagram

Template-based TCS — formation, carriageway, shoulders, batters & berms; hill-road half-cut sections & benches

Automated corridor zoning along the alignment with construction-ready toe / setting-out reports

Automated plan & profile sheets — configurable layout & profile-band designer, with title block, scale, north arrow & legend on every sheet

Cut/fill by trapezoidal & Simpson's rules with prismoidal correction

Multi-sheet cross-section & longitudinal-section drawings at any interval, with flexible labelling across plan, profile & sections

Mass-haul diagram, borrow/waste balance & per-km cost summary

ROAD ESTIMATOR - Chainage-wise sections with quantities

Extend Beyond

Road Estimator — Greenfield, Brownfield & As-Built

Beyond greenfield corridors, Road Estimator handles greenfield & brownfield projects — from automatic cross-sections off raw survey data to stage-wise as-built drawings during construction.

Auto cross-sections straight from survey data, with earthwork quantities

Automatic profile-correction for widening & strengthening schemes

Automatic PCC — detects the existing road; multi-layer, depth-based correction

Unlimited templates — multilane, service roads, expressways, NH, any road type

As-built drawings from periodic site levels at each construction stage

Editions

Where AutoRoads fits

All editions include the 3D viewer and basic annotation. Upgrade at any time — your project files and settings transfer seamlessly.

AutoTerra Pro Spatial

Point-cloud, terrain & LiDAR at scale — no highway design

Point-cloud processing & classification

Terrain modelling, sections & volumes

GIS-in-CAD

Greenfield route discovery

Alignment, structures & TCS design

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AutoRoads You are here

Full highway & corridor engineering — survey to construction-ready deliverables

Everything in Pro Spatial

Greenfield least-cost route discovery

Horizontal & vertical alignment design

Parametric structures & IRC hydraulics

TCS, plan & profile production

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Road Estimator

Add-on for greenfield/brownfield quantities & as-built tracking

Auto cross-sections from raw survey data

Automatic PCC & profile correction

Unlimited road-type templates

Stage-wise as-built drawings