Cost information from four major US auto brands that provide vision-based Lane Departure Warning Systems (LDWS) provides a wide range of prices for this application, however, these are due to the various additional components included in the driver assistance packages offered by the auto companies.
 

Table 4.2 Vision-Based LDWS Offered by Different Car Companies

Cost models for Vision-Based LDWS by Minnesota's DOT assume a starting price for the LDWS at $500 per unit in the first year. As a result of market penetration, modeled off of mandatory and non-mandatory equipping, they predict costs will drop to $150-$200 at the end of 20 years.
 

	Cost per unit of LDWS At End of 10 Years	Cost per unit of LDWS At End of 20 Years	Cost for deploying LDWS for total volume of cars at end of 10 years	Cost for deploying LDWS for total volume of cars at end of 20 years
As per Analogy to Seat Belts (Mandatory)	$178	$150	$471,969,247.22	$577,710,000.00
As per Analogy to ABS (Non-mandatory)	$255	$200	$394,911,610.50	$715,260,000.00

Table 7.1 Cost Models for Vision-Based LDWS