What is it written there ? Warning or something ?

https://i2.wp.com/saywhatjapan.com/wp-content/uploads/2018/04/DSC_0634-960x540.jpg?fit=960%2C540https://i2.wp.com/saywhatjapan.com/wp-content/uploads/2018/04/DSC_0634-960x540.jpg?resize=150%2C150TSSTREET, DRIVINGescalator,warningWhat is it written there ? Warning or something ?- POST PHOTO ! HELP TRANSLATE JAPANESE ! ALL FREE !! -