Tarmac Group Designer Outlet in Swindon completed in 1997, Tarmac Group Tarmac Group Limited was a multinational building materials company headquartered in Wolverhampton, United Kingdom. It produced road surfacing and heavy building materials including aggregates, concrete, cement and lime, as well as operating as a road construction and maintenance subcontractor. The company was founded in 1903 by Edgar Purnell Hooley after he patented the road surfacing material tarmac in 1901. The company was formerly listed on the London Stock Exchange and was once a constituent of the FTSE 100 Index. In July 1999, Tarmac demerged its construction and professional services businesses under
History of road transport the trusts and restrictions on the width of wheels - narrow wheels were said to cause a disproportionate amount of damage to the road. The quality of early turnpike roads was varied. Although turnpiking did result in some improvement to each highway, the technologies used to deal with geological features, drainage, and the effects of weather, were all in their infancy. Road construction improved slowly, initially through the efforts of individual surveyors such as John Metcalf in Yorkshire in the 1760s. British turnpike builders began to realise the importance of selecting clean stones for surfacing, and excluding vegetable material and