Road surface layers of smaller stones, until the road surface was composed of small stones compacted into a hard, durable surface. "Road metal" later became the name of stone chippings mixed with tar to form the road surfacing material tarmac. A road of such material is called a "metalled road" in Britain, a "paved road" in Canada and the US, or a "sealed road" in parts of Canada, Australia and New Zealand. A granular surface can be used with a traffic volume where the annual average daily traffic is 1,200 vehicles per day or less. There is some structural strength if the
Bampfylde Fuller of Eastern Bengal and Assam from 16 October 1905 until he resigned on 20 August 1906 to Lord Minto over the (British) Government of India's refusal to support reprisals against school agitators in Sirajganj. Fuller initiated the building of the Governor's residence in Dhaka, which became Old High Court Building, Dhaka. "Fuller Road", an important road at the heart of the University of Dhaka is named after him. Fuller invented an anti-gas alarm widely used during World War I. Bampfylde Fuller Sir Joseph Bampfylde Fuller (20 March 1854 – 29 November 1935) was a British inventor, writer and first Lieutenant