This issue contains 16 papers concerned with the following aspects of transit: an innovative transport solution for suburban areas; how to expand subway and urban railway networks; track geometry for light rail systems; vehicle and pedestrian safety at light rail stops; a solution to rail overcrowding; improving metro networks; service control on a high-frequency metro line; rail infrastructure development; personal rapid transit; Washington State Ferries' long-range planning; transit security awareness campaigns; organizational regimes for commuter rail; the impact of rail terminal design on transit service reliability; planning and implementation of a multijurisdictional, public-private partnership commuter rail project; and a commuter rail implementation study.