What word follows "Construction" (CONST) on a portable changeable message sign?

The word that follows "Construction" (CONST) on a portable changeable message sign is "Ahead." This phrasing is commonly used to alert drivers to upcoming construction activities that may affect their travel. By using "Ahead," the sign effectively communicates that construction is not just present, but that it is forthcoming, allowing drivers to prepare for any potential changes or delays in traffic conditions.

Signs utilizing this language create a proactive approach to road safety, giving drivers the necessary heads-up to adjust their speed and attention as they approach the construction zone. This is a standard practice in traffic management, emphasizing the importance of keeping motorists informed in advance, which helps in reducing confusion and ensuring a safer driving environment.