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 8:47 AM. Current topside temperature is 93°, with an estimated high of 105°. The Black Mesa compound is maintained at a pleasant 68° 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.

If you have not yet submitted your identity to the retinal clearance system, you must report to Black Mesa personnel for processing, before you will be remitted into the high-security branch of the transit system. Due to the high toxicity of materials routinely handled in the Black Mesa compound, no smoking, eating, or drinking are premitted within the Black Mesa Transit System. Please keep your limbs inside the train at all times. Do not attempt to open the doors, until the train has come to a complete halt at the station platform. In the event of an emergency, passengers are to remain seated, and await further instructions. If it is necessary to exit the train, disabled personnel should be evacuated first. Pleas stay away from electrified rails, and proceed to an emergency station immediately.

A reminder that the Black Mesa Hazard Course Decatholon will commence this evening at 1900 hours in the level 3 facility. The semi-finals for high-security personnel will be announced in a separate secure access transmission. Remember, more lives than your own, may depend on you fitness. Do you have a friend or relative, who would make a valued addition to the Black Mesa team? Immediate openings are available in the areas of materials handling and low-clearance security. Please contact Black Mesa personnel for more information. If you have an associate in the fields of Theoretical Physics, Bio Technology, or other high-tech disciplines, please contact our civilian recruitment division. The Black Mesa Research Facility is an equal opportunity employer.

A reminder to all Black Mesa personnel: regular radiation and bio-hazard screenings are a requirement of continued employment of Black Mesa. Missing a scheduled urine analysis or radiation checkup is grounds for immediate termination. If you feel you have been exposed to radioactive or otherwise hazardous materials over the course of you duties, contact your radiation safety officer immediately. Work safe, work smart, your future depends on it. Now arriving at: sector C test labs and control facilities. Please stand back from the automated door, and wait for the security officer to verify your identity. Before exiting the train be sure to check your area for personal belongings. Thank you, and have a safe and productive day.