A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
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Tandem Bus – US
A high passenger carrying capacity bus (60 – 75 passengers) with two passenger-carrying sections in which the rear body section is flexibly but permanently connected to the front section in a manner that allows the vehicle to bend without having an interior barrier to passenger movement between sections of the vehicle (see also “Articulated Bus”, “Bi-Articulated Bus” and “Bendy Bus”).
Traffic Calming
A set of strategies which aim to slow down or reduce traffic, thereby improving safety for pedestrians and bicyclists as well as improving the environment for residents.
Traffic Circle – US
A raised island located in the centre of an intersection, which requires vehicles to travel around the island in order to go through the intersection (see also “Roundabout”).
Traffic Congestion
Occurs when transport demand exceeds transport supply in a specific section of the transport system. Under such circumstances, each vehicle impairs the mobility of others (see also “Gridlock”)
Traffic Management
The process of adjusting or adapting the use of an existing road system to meet specified objectives without resorting to substantial new road construction.
Tram – UK
A rail based vehicle, lighter than a train, designed for the transport of passengers (and/or, very occasionally, freight) within, close to, or between towns and/or cities, primarily on streets (see also “Light Rail Transit”, “Trolley”, or “Streetcar”).
Transit – US
Generally refers to passenger service provided to the general public along established routes with fixed or variable schedules at published fares (see also “Public Transit”, “Mass Transit”, “Public Transportation”, “Urban Transit” and “Paratransit”).
Transit-Oriented Development (TOD)
A mixed-use residential or commercial area designed to maximize access to public transport, and often incorporates features to encourage transit ridership.
Transportation Demand Management (TDM)
The application of plans and policies to change or reduce demand for car use by encouraging the behavioural change of household choices of travel. It is sometimes also referred to as “Travel Demand Management”.
Travel Time Index (TTI) – US
The ratio of the travel time during the peak period to the time required to make the same trip at free-flow speeds. A value of 1.3, for example, indicates a 20-minute free-flow trip requires 26 minutes during the peak period.
Trolley – US
A rail based vehicle, lighter than a train, designed for the transport of passengers (and/or, very occasionally, freight) within, close to, or between towns and/or cities, primarily on streets (see also “Light Rail Transit”, “Tram”, or “Streetcar”).