Sunwise, as it was based on the movement of the sun during day (in the Northern hemisphere). As watch faces were modelled after sundials, sunwise and clockwise describe the same direction.
Turnwise is a word invented by Pratchett for a book, but it's clearly based on sunwise. He also used widdershins in his book, which is indeed the unmodified antonym to sunwise.
How the fuck was Uber supposed to help traffic? That's the most American take on solving traffic issues I've read in a while.