Learn what righttowork laws are, how they impact employees and employers, and why these laws vary across different states in 2024. Illinois became the fourth state in the country to protect collective bargaining in its constitution.Labor Unions, Prevailing Wage Laws, and Right-to-Work Laws in the Construction Industry. Illinois. As people leave shrinking occupations, the economy could reweight toward higherwage jobs. The repeal of the law would lower construction wages and, given the employment level, would lower total earnings in the industry. Employment would not, however,. In all the other States except Utah the powers granted under these laws are limited to fixing minimum wages.