Tactile paving was first developed in 1965 by Seiichi Miyake, who was inspired by braille (the term "Tenji blocks" … See more

These are used for pedestrian crossings. The purpose of the blister surface is to provide a warning to vision-impaired people who would otherwise, in the absence of a change of height of >25 mm, find it difficult to differenti… See more

The United Kingdom Department for Transport guidance on the installation and use of tactile paving places a heavy emphasis on the role of contrast. The guidance repeatedly states that tactile paving sho… See more

Arguments have been made that the money spent on installing tactile pavement could have been much better spent making other improvements which would benefit vision-impaired people, such as faster repairs to b… See more

In Canada, detectable warning surfaces have in recent years started to be found in many provincial and municipal building standards (supplements to the building codes). These standards require detectable warning sur… See more

• ISO/FDIS 23599,Assistive products for blind and vision-impaired persons—Tactile walking surface indicators.
• CEN/TS 15209, Tactile paving surface indicators produced from concrete, clay and stone… See more

• Rumble strip, a conceptually similar tactile warning for automobile traffic. See more