Group Rapid Transit

Definition
A Group Rapid Transit (GRT) system serve groups of people with similar origins and destinations. The principal differences between GRT and the simpler SLT are that GRT tend to have shorter headways and a more extensive use of switching. GRT stations may be located on sidings off the main guideway, permitting through traffic to bypass. GRT guideways may merge or divide into branch lines to provide service on a variety of routes. Vehicles with a capacity of 10 to 50 passengers may be operated singly or in trains. Headways range from 3 to 60 seconds. }}