What documentation is routinely checked by conductors?

Conductors routinely check train orders, passenger manifests, and safety inspection logs as part of their critical responsibilities in ensuring the safe and efficient operation of a train. Train orders provide essential instructions regarding the train's route and any necessary modifications to the schedule or operations, which are crucial for maintaining safety and coordination on the tracks.

The passenger manifest is used to account for all passengers onboard, enabling conductors to ensure that everyone is safe and accounted for in case of emergencies. Safety inspection logs contain vital information about the condition of the train and any maintenance that has been performed or is required, ensuring that the train meets safety standards before departure.

Together, these documents help conductors maintain safety protocols, comply with regulations, and ensure the smooth operation of the railroad system. The other options, while they may be relevant in certain contexts, do not represent the routine documentation that conductors check during their daily operations.