âBlow and goâ refers to the act of completing a task quickly so one can move to the next task. The origin relates to the building of the transcontinental railroad where railroad teams used explosives to blow tunnels through the Sierra Nevada Mountains to lay track.
More recent railroad references relate to performing a brake test before a locomotive departs a rail yard. The conductor will receive a âblow and goâ before departing after the test has been performed.
âOnce we get the plans stamped we need to blow and go.â
âWe canât waste time, we need to blow and go on these projects.â
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