The first paving work on a city street would soon be completed. How would such a feat of progress be celebrated?

They didn't call them block parties back then, but that was the general idea.

From the Arizona Daily Star, Tuesday March 10, 1914:

Dame Tucson To Do Gay Whirl on Paved Streets
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Novel Suggestion for Celebrating Completion of First Paving Work Here
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A grand carnival and open-air ball in which the newly-laid pavements of Congress street will be used for a dancing floor and the whole of Congress street from east to west end a ballroom is the idea of E. M. Dickerman of Tucson as a novel means of celebrating the completion of the paving work.

Mr. Dickerman was lunching the other day with a company of gentlemen when the subject of the new paving was mentioned, and he told of his plan for celebrating the finishing of the first paving work in the city. General Manning, president of the chamber of commerce, who was present, was very much interested and approved of the plan.

The plan of a gay carnival and a dance on the newly-completed pavements had been tried in many cities, but in the present instance it would be an unusually joyous occasion and would be most appropriate, it is believed, considering the age of Tucson, its large size and the long progress of the movement for paving.

At present the plan is merely being talked about, but it is probable that it will be taken by the entertainment committee of the chamber of commerce and made a feature of the chamber's program for advertising the city and its advantages.

It's not exactly the Fourth Avenue Street Fair, but it sounds like a great party all the same.

A newly paved road is something to celebrate, as many who live near pothole-ridden streets can attest. At this point, however, Tucson had not yet experienced potholes, so they celebrated.