All Heavy Transport - Self-propelled Articles

Airships for construction have failed before. Could they take off this time?
A handful of companies are attempting to build airships specialising in lifting and carrying loads for the construction industry. 
VIDEO: Bridge removal system on SPMT
Airport bridge removal by Denzai deploying a jack up lifting system and SPMT
Goldhofer to show P12 trailer at ConExpo
German company to showcase transportation solutions