Introduction to the AAPA 2010 Study Tour of the USA

AAPA knowledge and experience building event 7th to 21st August 2010 to the USA Four legs / stops California / Washington DC / Tennessee / Alabama Four key focal points or themes & general

Objectives - Themes Perpetual pavement concepts (PP) - Ian Rickards Warm Mix Asphalt (WMA) - Cassandra Simpson Recycled Asphalt Pavements (RAP) - Trevor Distin Accelerated Pavement Testing & Asphalt Performance Tests (APT) - Mervyn Henderson General Topics (GEN) - Rob Vos

Geographic

Participants in the Tour

Statistics USA Australia ratio Land area (km2) 9 826 675 7 741 220 X 1.3 Population (June 2010 est) 310 232 863 21 515 754 X 14 Unemployment 9.3% 5.6% ------- GDP US$ purchasing power (T) $14.2 $0.8 X 17 GDP / person $46 400 $39 400 X 1.2 GDP growth rate (2009) -2.4% +1% Roads total length (km) 6 465 799 812 972 X 8 Roads paved (km) 4 209 835 341 448 X 12 Asphalt (million tonnes/annum) > 500 9.5 X 53 Asphalt (tonnes/person) 1.6 0.44 X 3.6

Feedback Seminar Program Perpetual Pavement Concepts Long Life Flexible Pavements • FEL • PerRoad • MEPDG Warm Mix Asphalt Options available • Acceptance • Experience • Benefits • Design Warm Mix and Recycled Asphalt combined Advantages in combining • Options available Recycled Asphalt Pavements Usage • % Accepted • Economics • Environmental • Drivers Accelerated Pavement Testing and Equipment ALF/HVS/Test Track • MEPDG links • Research • Performance General Topics • PPA • Binders & PG • Surface Friction