TY - GEN AU - Oña López, Juan José De AU - Calvo Poyo, Francisco Javier AU - Garach, Laura AU - Oña López, Rocío de AU - López Maldonado, Griselda PY - 2010 SN - 0361-1981 UR - http://hdl.handle.net/10481/24402 AB - Residential areas of detached houses were built in north and east Madrid, Spain, during the last decade of the 20th century. Because the popula- tion density in those areas is low, implementing an efficient transport system is complicated. In south... LA - eng PB - Transportation Research Board of the National Academies KW - Light Rail KW - LRT (Light Rail Transit) KW - Madrid KW - Transit system KW - Funding KW - Concessions TI - How to expand subway and urban railway networks: light rail extensions in Madrid, Spain ER -