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 alig…