New Kids on the Block | Server Message Block | Nick Jr. (block) | Museum of the Moving Image | Moving Picture Experts Group | Ken Block | Howl's Moving Castle | Signalling System No. 7 | Railway signalling | Moving the Mountain | Fast-moving consumer goods | Block Island | Block 5A, South Sudan | Block 5A | block | Back on the Block | writer's block | Ron Block | Moving to Opportunity | Moving the Mountain (1994 film) | heart block | Harlon Block | Community Development Block Grant | Attack the Block | William H. Block Co. | Walter Block | Unicode block | Uncle Croc's Block | Tuli Block | Tokyo Designers Block |
The original moving block signaling system for rapid transit was introduced by Urban Transportation Development Corporation (a Crown Corp in Ontario) and was successfully implemented for the Scarborough RT in Toronto, Ontario, which was opened in 1985.