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Colorado does drive-by testing, on freeway on ramps, and other locations with high traffic. If your car fails, or hasn't been monitored by that system recently,
by efm 11y ago
Colorado does drive-by testing, on freeway on ramps, and other locations with high traffic. If your car fails, or hasn't been monitored by that system recently, you get a notice for the more complete inspection.
The drive-by inspection doesn't require the co-operation of the driver or car, so is harder to game by detecting you are being tested.
- pico303 11y agoAs a TDI owner and Colorado resident, I can tell you that the drive-by testing does not apply to diesel vehicles, nor do you take diesels to the emissions testing centers. You have to take your diesel to a state-licensed diesel mechanic for testing.