>>1731846Good point, especially with a road slug and single mother unit. However, if you have the slug sandwiched between two mothers then it can still contribute TE, the train will just be slower. Though you’ll still be down 1 unit worth of hp either way and have the deadweight of the failed unit to lug around until it can be detached.
Most of the jobs that get assigned road slugs don’t have speed as their top priority. It’s not like a manifest would have slugs attached as road power.