You are downloading the MapQuest XAP file v220.127.116.11 for Windows Phone. MapQuest is a free and useful Travel app: Getting there has never been so easy! With the free MapQuest app for Windows Phone 8, you'll get voice-guided navigation, traffic-aware re-routing, ... You can now download the offline XAP file to install & try it.
Download Locations for MapQuest 18.104.22.168 XAP file
Important Notice: Now Due To Unspecified Limitations, You Can Not Use The Offline XAP File To Install It Any More.
To try to install it manually from an SD card, you should choose one of the server location above to get the offline MapQuest XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.