WASHINGTON (AP) — The lure of roads, bridges, buses and trains isn’t enough anymore to drive an expensive transportation bill through Congress. So to round up votes, congressional leaders are pitching the bills as the hottest thing around these days: job generators.

But do they really create more jobs? The answer from a lot of economists is not really. The bills would simply shift spending that was creating jobs elsewhere in the economy to transportation industries. That means different jobs, but not necessarily additional ones.