Transportation demand refers to the amount and type of travel people choose given specific prices and service options. Current trends are changing travel demands in ways that increase the value of alternative modes (walking, cycling, ridesharing, public transit, and telecommunications) and more accessible, multi-modal communities. Described differently, the last century was the period of the ascendency of automobile transportation so it may have made sense to invest significant public resources in developing roads and parking facilities, but now the roadway system is mature and various demographic and economic trends make other types of transportation investments more appropriate to meet the.