This document discusses transportation infrastructure problems, causes, and effects and proposes solutions. It defines transportation infrastructure as including roads, railways, ports and airports. Common problems are traffic congestion, inadequate public transport, environmental impacts, and accidents. Causes of poor infrastructure include increased vehicles and commercial traffic. Effects are wasted time, pollution, safety issues, health problems, and slowed economic growth. Proposed solutions are expanding road capacity, promoting alternatives to driving like biking and public transit, and establishing transport rules and regulations.