[Brilliant]

You would think an iPhone map app would be enough. The article
states that the engineers were confused about where they were because the route looked different during the day than it does at night when they had their training.

[UCANSEE2]

The article states that the engineers were confused about where they were because the route looked different during the day than it does at night when they had their training.

OK, but wouldn't the 30 MPH SPEED LIMIT SIGNS be easier to see during the day ?