On the basis of the previous spring edition of 20 16, the navigation electronic maps of 1 and 20 16 have been extensively updated and maintained.

(1) The road mileage is about 300,000 kilometers (including: Jiguang Expressway G35, Xiamen-Chengdu Expressway G76, Hangrui Expressway G56, Xingfen Expressway G25 and Enqian Expressway G50);

(2) About 65,438+10,000 kilometers of new roads have been added;

(3) More than 6.5438+200,000 points of interest have been updated and maintained;

(4) The new POI is about 750,000,

The updated scope covers 22 provinces, autonomous regions and municipalities directly under the Central Government. The accuracy of map data is improved in an all-round way, and the present situation of navigation electronic map data is ensured.

2. The closed road update package is a nationwide update package based on the latest data of road closure caused by construction and other reasons. The start and end time of the closed road reminder of the update package is subject to the information released by the traffic control department. The road closure information will remind the vehicle owners to take the avoidance plan when planning the route, so as to avoid the troubles caused by the road closure and further improve the travel efficiency.