Graphic representation of a line symbol. A double line with a thickness of 0.60 mm, spaced 2.40 mm apart.
Geometryline
Geometry DescriptionA double line with a thickness of 0.60 mm, spaced 2.40 mm apart.
Verified?yes
Verification Methodsystematic study involving people with visual impairments
Verified by (count)15
Verified Technique(s)Swell paper, UV printing, 3D printing
Recommended Technique(s)Swell paper, UV printing, 3D printing
Planar Size (mm)Not applicable
Symbol Height (mm)1.5
Line Element Width (mm)3.6
Colour (HEX)#000000
Input Source Typejournal article
DOI10.1080/15230406.2024.2379456
Meaning / Map usebuilding wall