It's like a TURBO BOOST! powerup in real life. Excellent.
I remember the slow moving walkways at Montparnasse when I was there in 1995. Them tunnels is long. I'd love to give that turbolator a shot, even if I'd be a bit hesitant at first with all them flashing lights and sirens. Then I'd take the turbolator back to my starting point and do it all again.