Lisbon is connected by rail and road to the interior of Portugal and to the rest of Europe. The 1.5-mile- (2.4-km-) long 25th of April Bridge, one of the longest suspension bridges in western Europe, has served as the main roadway into the city since it was built in the mid-1960s.
NHTSA estimates that 73% of light vehicles already voluntarily will have rear-view cameras by the final deadline of 2018 and that the cost per vehicle to equip the remainder will be $132 to $142 for a complete system, $43 to $45 to add the camera to a vehicle that already has an adequate display screen.
For a vehicle that already has a screen, cameras range from $150-$400. Count on $400-$600 for labor. If your car doesn't have a screen, there's additional cost, of course: $150-$200 for a screen alone and $500-$1,500 for new head unit with a screen. Back-Up Camera Types. Back-up camera systems come in three basic types: Camera-only systems that can be added to a car that already has a stock in-dash screen.