<prompt> Translate the following text to SwahiliWhile most infrastructure spending takes place at the state, local, or private-sector level, the federal government also invests in infrastructure such as highways, bridges, and air traffic control.  <response>: Wakati matumizi mengi ya miundombinu hufanyika katika ngazi ya serikali, mitaa, au sekta binafsi, serikali ya shirikisho pia inawekeza katika miundombinu kama vile barabara kuu, madaraja, na udhibiti wa trafiki ya hewa. 