The ease of reaching destinations. The degree of ease with which it is possible to reach a certain location from other locations. One meaning of accessibility specifically focuses on people with disabilities and their ability and right of access to facilities and services.
Accessible Pedestrian Signals (APS) – US
Pedestrian signals with audible and/or vibrotactile information (such as directly audible or transmitted tones, speech messages, Talking Signs, and vibrating surfaces). They are intended make real-time pedestrian signal information accessible to pedestrians who are hearing or visual-impaired.
Active Traffic Management (ATM) – UK
A scheme for improving traffic flow and reducing congestion on motorways in England. It makes use of automatic systems and human intervention to manage traffic flow and ensure the safety of road users.
Area Licensing Scheme (ALS)
A demand management strategy aimed to reduce auto travel within city centres. The Singapore Area Licensing Scheme, introduced in 1975, required motorists to purchase a license (and display it) to enter the central area. It was the first pricing scheme to be successfully implemented in the world. It was replaced by the current Electronic Road Pricing (ERP) system in 1998.
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 “Bi-Articulated Bus” , “Tandem Bus” and “Bendy Bus”).
Auto-free Zones – US
Areas of a city or town in which automobile traffic is prohibited (see also “Car-free Zones and “Pedestrianised Zones”.
Automated Guideway Transit (AGT)
A fully automated, grade-separated transit system in which rubber-tired vehicles are guided, usually by horizontally running guide wheels, on a guideway.
Automatic Vehicle Location (AVL)
A means for determining the geographic location of a vehicle and transmitting this information to a point where it can be used for managing vehicle fleets (service vehicles, emergency vehicles, construction equipment and public transport vehicles such as buses and trains).
Average Daily Traffic (ADT)
The total volume of traffic, combining both directions, using a road in a single 24-hour period.