Good morning and welcome to the Black Mesa Transit System.

This automated train is provided for the security and convenience of the Black Mesa Research Facility personnel. The time is 08:47 AM. Current topside temperature is 93 degrees, with an estimated high of one hundred and five. The Black Mesa compound is maintained at a pleasant 68 degrees at all times. This train is inbound from Level 3 Dormitories to Sector C Test Labs and Control Facilities. If your intended destination is a high-security area beyond Sector C, you will need to return to the Central Transit Hub in Area 9 and board a high security train.

Stop attacking! I'm with science team!
Welcome! Welcome to City 17!
Hey, it's Freeman!