To ensure that visually impaired and blind people can also have unimpeded access to the property, the Government has introduced guidelines on how to lay blind road guide bricks to provide a readily discernible, relatively flat and non-hazardous road for those in need so that they can Difficult access to and use of the property and the facilities within it. However, since the buildings before the commencement of the legislation did not have this design consideration, most of them need to add blind guide bricks in the form of later additions.