The field of highway geometric design and safety analysis focuses on optimising road layouts to ensure safety whilst maintaining efficient transportation networks. Traditionally, deterministic design ...

Just north of Los Angeles lies a highway with no through traffic, no guardrails—and no easy return. California’s Highway 39 has been closed for over 40 years after a rockslide severed it from the rest ...

Nature's highway -- The lure of technology -- Establishment of the steamboat trade, 1820-1836 -- The booming trade, 1837-1845 -- The expanding frontier, 1846-1854 -- Railroads and new frontiers, ...