1. A method comprising: identifying a first construction object associated with a construction zone; mapping an area of the construction zone based on the identified construction object; classifying, by a processor, an activity type of the construction zone based on detailed map information; adding the area of the construction zone and the classification to the detailed map information; subsequent to adding the construction zone and the classification to the detailed map information, identifying a second construction object at a given location; identifying, from the detailed map information, the area of the construction zone and the classification based on the given location; and operating, at the area of the construction zone, a vehicle having an autonomous driving mode based on the classification stored in the detailed map information.