Highway alignment designer

Skill a5c-ai/babysitter/library/specializations/domains/science/civil-engineering/skills/highway-alignment-designer

Highway alignment design skill for horizontal and vertical geometry per AASHTO standardsFrom its SKILL.md

Install

npx -y skills add a5c-ai/babysitter --skill highway-alignment-designer

Assembled from the repository path, not quoted from the project. Check it against their README if it does not work.

SKILL.md

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Highway Alignment Designer Skill

Purpose

The Highway Alignment Designer Skill designs horizontal and vertical highway alignments including curves, superelevation, and sight distance per AASHTO Green Book standards.

Capabilities

Horizontal curve design (simple, compound, reverse, spiral)
Vertical curve design (crest, sag)
Superelevation calculation
Sight distance analysis
Cross-section template generation
AASHTO Green Book compliance checking
Design exception documentation
Corridor modeling support

Usage Guidelines

When to Use

Designing new roadways
Evaluating existing alignments
Checking sight distances
Developing superelevation

Prerequisites

Design speed established
Terrain classification known
Design criteria selected
Survey data available

Best Practices

Coordinate H and V alignment
Verify sight distances
Consider driver expectations
Document any exceptions

Process Integration

This skill integrates with:

Highway Geometric Design
Bridge Design LRFD

Configuration

highway-alignment-designer:
  curve-types:
    - simple
    - compound
    - reverse
    - spiral
  standards:
    - AASHTO
    - state-DOT
  output-formats:
    - xml
    - landxml
    - csv

Output Artifacts

Alignment geometry
Superelevation diagrams
Sight distance reports
Design summaries

What ships with it

Read from the repository

Just SKILL.md. No reference files, no scripts.