The lead-up to “Carmaggedon” was feverish. Which evidence from the text supports this conclusion?

then-Mayor Antonio Villaraigosa urged residents to get  out of town, or at least to stay off the roads; billboards were posted up all over the city letting  Angelenos know about the coming closure; radio statements were made by all the major radio  personalities; one airline offered four-dollar plane rides from Los Angeles to Orange County; bike  groups sponsored cross-city excursions; helicopter companies offered half-hour long discounted rides to see the construction in action from the air; and local bars and restaurants offered "Carmageddon"  specials, which included special dishes and discounts on food and drink. The Los Angeles Police  Department was brought in to ensure drivers did not sneak onto the freeway or onto Sepulveda".

Explanation:

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