close-up
The Spanish term 'estrechamiento de calzada' translates to 'road narrowing' or 'narrowing of the road' in English. It is a phrase that speaks to traffic and road conditions, typically used to warn drivers of upcoming changes in the road's width. It does not mean 'close-up' as stated earlier. Please note that contextual translation might vary slightly, however, it is widely understood to indicate a change in road conditions that requires drivers to take caution.
Narrowing of the road often causes traffic congestion.
The sentence is expressing that when a road gets narrower, it usually leads to backed-up traffic because there is less space for vehicles to move.
The construction project includes a narrowing of the road to improve pedestrian safety.
In this context, the sentence is suggesting that the construction project plans to narrow the road as a safety measure to protect pedestrians.
The traffic sign indicates a road narrowing within 500 meters.
This phrase indicates that according to the traffic sign there is a narrow part on the road that drivers will reach in about 500 meters.