The first part of the year is a busy season for trade shows, including World of Concrete, AED, The Rental Show, and ConExpo/ConAgg. According to the latest RER Web site poll, 28 percent of respondents plan to attend one show, 21 percent plan to attend two shows, 3 percent plan to attend three shows, 25 percent plan to attend all four shows and 21 percent plan not to attend any.