Tactile walking surface indicators play a crucial role in making the facility accessible to pedestrians, especially those with visual impairment. The tactile attention indicators convey information to people about the surroundings through texture and sometimes sound. In most situations, contractors are aware of the importance of installing tactile indicators but are unaware of the code requirements for installing tactile walking surface indicators pathways in Toronto. From the color compliance to design basics and size requirements, contractors have to take various things into account. One thing contractors must note is that the TWSI must provide high tonal contrast with the surrounding surface. Also, most of the indicators installed in the city of Toronto are made of cast iron. Cast iron develops a rusty color in the first year of installation, but the color will fade eventually as cast iron will develop a natural patina. The natural patina provides even greater tonal contrast with