T-Junction Grid · No Cross Intersections · Turf + Leaflet
Parcels
Blocks
Area m²
01 · Boundary Input
🗺️
Drop GeoJSON or click to browse
Any polygon shape — WGS84 lng/lat
02 · Subdivision Parameters
Cols per block
Rows (even for lane)
Slivers below this are discarded
T-Junction mode ON
Odd block rows are offset by ½ block width — creating brick-pattern roads. No cross intersections are possible.
03 · Chamfer Corners
Turf inward buffer → re-subdivides block
04 · Map Layers
05 · Style
06 · Export
07 · Activity Log
Ready