Run away as fast as u can. Nothing I know will do that without making it slippery where cars won't stop when it's wet or that will not cause damage to the stone over time. Good luck.
From: Dayron <dayron@perfectmarblefloors.com> To: Stone and Tile PROS Technical Support <sccpartners@stoneandtilepros.com> Sent: Monday, September 30, 2013 9:50 AM Subject: RE: [sccpartners] Travertine on drive way