42° 43' N 12° 07' E

Travel by train from Rome to Chiasso, Switzerland. Once there, drive yourselves to Altdorf, Switzerland, where William Tell will deliver your next clue. You have a lot of riddles to solve for this leg of the race.

  are outraged — outraged! — that Brendon & Rachel would U-Turn a harmless old man (you remember, the one who won several legs of his original race on a leg so injured he needed surgery within a week if he wanted to be able to walk on that foot ever again?). They convince Leo & Jamal and Caroline & Jennifer to form an alliance to knock them out.
  get lost. Luckily they are saved by hours of operation.
43° 56' N 8° 39' E

Drive yourselves to Lucerne. Once there, find the oldest wooden bridge in Europe.

47° 03' N 8° 18' E

Drive yourselves to the Schweizerhof Hotel and clean a hotel room that's been trashed by rock stars.

47° 03' N 8° 13' E

Drive yourselves to the Swiss Museum of Transport. Look for the marked artifact outside. Idenfity its function [a tunnel borer] to the engineer to receive your next clue.

47° 03' N 8° 20' E

Search the museum for the [Product Placement] exhibit.

Choose a car. Use the road signs to calculate the model year of the car you've chosen.
  go back to help Caroline & Jennifer when they can't figure out the task.
Drive yourselves to Oberrickenbach and search for the milk tanker.
46° 53' N 8° 25' E

Make a milk pick-up, Swiss-style.

Choose a dog and cart. Go up the mountain in a gondola to a dairy farm, exchange your empty milk canisters for full ones and come back down.

  Caroline slips on an ice patch and injured her back, making carrying the heavy canister even harder.
   
Drive yourselves to Engelberg, then take a gondola to the next Pit Stop...
46° 46' N 8° 25' E
  1st place 2:35 pm
Pair of [Product Placement] cars
4th place 2:42 pm (+ 0:07)
2nd place 2:37 pm (+ 0:02)
  5th place 2:58 pm (+ 0:23)
Will encounter Speed Bump
3rd place 2:38 pm (+ 0:03)