In his Inaugural Address, given April 26, 1915, Thompson spoke of his ambitions for Chicago to become "the greatest in the world", but also that his acts as mayor should not be swayed by corruption. He also emphasized the importance of public safety (as enforced by the Chicago Police Department), the improvement of public transit, secure and permanently lowered gas prices, Chicago being allowed to have Home rule and more efforts being placed into Chicago's commercial interests in order to create jobs and improve the city's economy. His efforts to expand and publicly improve the streets of Chicago earned him another nickname of "Big Bill the Builder". In his time as mayor, he oversaw the completion of the Michigan Avenue link bridge, the Twelfth Street widening, and the extension and widening of Ogden Avenue. Along with his big dreams for Chicago's geographical expansion, he wished for Chicago to expand politically and economically. He believed that Chicago should be able to enforce laws on their own terms, particularly without what he claimed to be the interference of British government or totalitarian rule. He ended his Inaugural speech by stating: