Highway Alignment Designer Skill
SkillMediaHighway alignment design skill for horizontal and vertical geometry per AASHTO standards
Instructions available. Your AI can read the instructions. Execution depends on the setup they require.
Account requirements not reviewed. Check the skill instructions before use; ahel provides instructions and does not run this skill.
Add ahel to your AI once: Claude, ChatGPT, Cursor, Claude Code or Codex. Then ask it to use this.
Then ask your AI: use the Highway Alignment Designer Skill skill
What this skill tells your AI
The instructions your AI receives, as published by a5c-ai/babysitter in library/specializations/domains/science/civil-engineering/skills/highway-alignment-designer/SKILL.md and read by ahel’s review.
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
Signals
- GitHub stars
- 2k
- Forks
- 112
- Last commit
- Sep 2026
Advanced
- Item type
- skill
- Key
highway-alignment-designer- Source
- github.com/a5c-ai/babysitter