E11, E-11, E.11 or E 11 may refer to:
E 11 (in Arabic: شارع ﺇ ١١) is a highway in the United Arab Emirates (UAE). The longest road in the Emirates, it stretches from Al-Silah in the Emirate of Abu Dhabi and ends in Ras al-Khaimah emirate at the Oman border, running roughly parallel to UAE's coastline along the Persian Gulf. The road forms the main artery in some emirates' main cities, where it assumes various alternate names — Sheikh Maktoum Road in Abu Dhabi, Sheikh Zayed Road in Dubai, and Sheikh Muhammad bin Salem Road in Ras al-Khaimah.
The Dubai-Abu Dhabi Highway of E 11 links the two largest cities of the United Arab Emirates, Abu Dhabi and Dubai. The project was proposed by the Sheikhs of Abu Dhabi and Dubai to Sheikh Zayed. In 1971, the project was approved and construction began. The highway was completed in 1980. The highway starts near Maqta Bridge in Abu Dhabi and becomes Sheikh Zayed Road in Dubai.
In Dubai, E 11 is known as "Sheikh Zayed Road" (in Arabic: شارع الشيخ زايد). This road is the main artery of the city.The highway runs parallel to the coastline from Trade Centre Roundabout to the border with the emirate of Abu Dhabi, 55 kilometres (34 mi) away in the area of Jebel Ali.
To help compare distances at different orders of magnitude this page lists lengths starting at 1011metres (100 Gm or 100 million kilometres or 0.7 astronomical units).
To help compare different orders of magnitude this page lists lengths between 10−11m and 10−10 m (10 pm and 100 pm).