From Essential Hacks (http://www.simania.nl/sdls/eh/sdls-eh.htm):

Buyable car portal

For accidental deletions (invisible, use move_objects cheat to buy and place). 
Should not be turned towards an obstacle, unless one enjoys one Sim-hour of 
honking from a car that can't leave. (It will leave eventually, though.)
File: GameData\Objects\Carportal.iff
Last uploaded: 03-01-2005
Catalogue: Outside, Misc, Misc. 
Version: Sims
