Final answer:
The 'Slow-Moving Vehicle' emblem identifies vehicles traveling at 25 mph or less with a reflective triangular shape with an orange-red center and red border.
Step-by-step explanation:
The emblem which identifies vehicles that travel at speeds of 25 mph or less is known as a 'Slow-Moving Vehicle' (SMV) emblem. This symbol is recognizable by its highly reflective triangular shape with a fluorescent orange-red center and a reflective red border. It's commonly seen on the rear of vehicles such as tractors, road construction equipment, and horse-drawn carriages to warn other road users that the vehicle is operating at lower speeds and that extra caution should be taken when approaching or overtaking.