Thick fog is blanketing large parts of the Netherlands on Tuesday morning, and that is impacting flights at Schiphol Airport. So far, 178 flights have been canceled or delayed to a greater or lesser extent. The fog is also causing problems on the roads, with Rijkswaterstaat reporting multiple accidents.The KNMI issued a code yellow warning for visibility below 200 meters due to the fog. “Drive slowly, maintain a larger distance to other road users,” the KNMI said. Also remember to turn on your vehicle’s fog lights. The fog should dissipate by noon.