Low-quality asphalt binder — the glue that holds roads together — can leave roads prone to cracking in cold temperatures. (Shutterstock) July 19, 2022 How Canada’s oilsands can help build better roads Simon Adrianus Maria Hesp, Queen's University, Ontario and Haibo Ding, Southwest Jiaotong University The quality of asphalt binder — the glue that holds roads together — influences their condition. Binder made from Alberta bitumen is low in waxes and could extend pavement lifespan.