Road cross section

Flexible Pavement Section — HTML/JS replica of your VBA drawing

Inputs

No. of lanes (left) No. of lanes (right) Width of lane (m) Median width (m) Kerb height (m) Horizontal ratio (HR) Vertical ratio (VR)

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BC thickness (mm) DBM thickness (mm) Base thickness (mm) Subbase thickness (mm)

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BC Top elevation (m) BC Bottom elevation (m)

OK Output:

Click OK to copy values to summary

Validation: numeric inputs turn yellow/blue when valid, red if invalid.

The drawing is scaled to fit the SVG. Horizontal slope uses (HR/VR) as in your VBA. Lane widths use lane_width * 100 (like your sheet), thickness are in mm.