It's a race the hare and the tortoise or turtle, just another obstacle to hurdle, or jump, push off with your feet lifting your rump, or bump, if set in concrete I believe it's a hump, or dip, going over to fast could dislocate a hip, or muscle, but this is a race so you'd better hustle, or run, I bet that stupid green road block is not having fun, or joy, with the lead that you have your...