Road 16 is a road in the northwest of Iran

Iran

Iran , officially the Islamic Republic of Iran , is a country in Southern and Western Asia. The name "Iran" has been in use natively since the Sassanian era and came into use internationally in 1935, before which the country was known to the Western world as Persia...

, which starts from Gilan and passes the cities of Tabriz

Tabriz

Tabriz is the fourth largest city and one of the historical capitals of Iran and the capital of East Azerbaijan Province. Situated at an altitude of 1,350 meters at the junction of the Quri River and Aji River, it was the second largest city in Iran until the late 1960s, one of its former...

, Ardabil

Ardabil

Ardabil is a historical city in north-western Iran. The name Ardabil probably comes from the Zoroastrian name of "Artavil" which means a holy place. Ardabil is the center of Ardabil Province. At the 2006 census, its population was 412,669, in 102,818 families...

 and Sarab

Sarab

Sarab is a city in and the capital of Sarab County, East Azerbaijan Province, Iran. At the 2006 census, its population was 42,057, in 11,045 families.Sarab is famous for its rugs. From 1747 to 1813, it was the capital of the Khanate of Sarab....

 and is connected to Turkey. Some parts of Road 16 are very important because Urmia Lake Bridge

Urmia Lake Bridge

The Urmia Lake Bridge is a bridge in northern Iran. It crosses Lake Urmia and connects East Azerbaijan and West Azerbaijan. The highway was completed in November of 2008. The bridge is the largest and longest bridge project in Iran....

 is part of this road.

Urmia Lake Bridge

This bridge goes through Lake Urmia

Lake Urmia

Lake Urmia , ancient name: Lake Matiene) is a salt lake in northwestern Iran, near Iran's border with Turkey. The lake is between the Iranian provinces of East Azerbaijan and West Azerbaijan, west of the southern portion of the similarly shaped Caspian Sea...

 and connects East Azerbaijan and West Azerbaijan. The highway

Highway

A highway is any public road. In American English, the term is common and almost always designates major roads. In British English, the term designates any road open to the public. Any interconnected set of highways can be variously referred to as a "highway system", a "highway network", or a...

 was completed on 23 Aban, 1387 (13 November, 2008). The bridge is the largest bridge project in Iran

Iran

Iran , officially the Islamic Republic of Iran , is a country in Southern and Western Asia. The name "Iran" has been in use natively since the Sassanian era and came into use internationally in 1935, before which the country was known to the Western world as Persia...

.
This bridge is the longest bridge with seventeen hundred meters and the distance between Tabriz

Tabriz

Tabriz is the fourth largest city and one of the historical capitals of Iran and the capital of East Azerbaijan Province. Situated at an altitude of 1,350 meters at the junction of the Quri River and Aji River, it was the second largest city in Iran until the late 1960s, one of its former...

 and Urmia

Urmia

- Demographics :According to official census of 2006, the population of Urmia is about 871,204.- Language :The population of Urmia is mainly Azerbaijani people, with Kurdish, Assyrian Christian, and Armenian minorities...

 contains 135 kilometers reduction. Passing the bridge the distance from Tehran

Tehran

Tehran , sometimes spelled Teheran, is the capital of Iran and Tehran Province. With an estimated population of 8,429,807; it is also Iran's largest urban area and city, one of the largest cities in Western Asia, and is the world's 19th largest city.In the 20th century, Tehran was subject to...

 to Urmia

Urmia

- Demographics :According to official census of 2006, the population of Urmia is about 871,204.- Language :The population of Urmia is mainly Azerbaijani people, with Kurdish, Assyrian Christian, and Armenian minorities...

 is 780 kilometers. This bridge has an important role in the development of the cultural exchanges and tourism and trade between the two provinces of East Azerbaijan and West Azerbaijan and saves time and fuel consumption and reduce road accidents.