Space bridge
Generation 1 Cartoon
Marvel Comics
The Space Bridge was built by Straxus's Cybertronic Decepticons, in response to the discovery that Megatron's lost group of Decepticons was alive and had set up operations on Earth. The Bridge, which resembles a normal Earthen suspension bridge when not in use, has two halves; one which which remains stationary on Cybertron, and another which teleports to Earth. Passing through the bridge's central arch transports objects across vast distances, instantly and painlessly. Although a properly functioning space Bridge is a far more pleasant mode of transportation than the more fuel-efficient Autobot version, the Trans-Time Dimensional Portal, an improperly calibrated Space Bridge will annihilate any object or being who attempts to pass through its arch.
The original Space Bridge was built from the vast body of Spanner, a neutral scientist who had been captured by Straxus's forces and forced to design the Bridge. After the Space Bridge was almost completely destroyed, a new Bridge was built to replace it.
Robots in Disguise
Dreamwave Generation 1 Comics
Unicron Trilogy
Space bridges are the main mode of traveling in the Unicron Trilogy. In Cybertron, the combined power of the Matrix and Vector Prime's sword Rhisling can make space bridges.
