
Future track: Officials see the expanding Doha Metro as a key infrastructural component of Qatar's future plans.

Crucial network: The metro system was designed to be the transportation pillar of the first World Cup to be held in the Middle East and the Arab world.

Red, Green, Gold: Ras Bu Fontas Metro station on the Red line. The network has three lines: Red, Green and Gold.

Airport stop: The terminal station at Doha's Hamad International Airport T1 (Red line).

Soccer stop: Lusail stadium on the Gold line.

Stadium vista: The view of Khalifa International stadium outside of the Sport City metro station on the Gold line.

Walk way: A corridor connecting Al Riffa Metro Station to Mall of Qatar. Al Riffa station (Green line).

Gold standard: The driverless Doha Metro system, seen here from a Gold class cabin, is one of the most advanced rail transit networks in the world.

Mapped out: An electronic board displays Doha's network of subway lines.

Daily commute: Many passengers are already using the metro's services regularly.

Train tiers: Doha's metro trains can carry up to 416 passengers, divided into three sections: Standard, Family and Gold class.

Power trip: Gold class travelers can charge up their mobile phones and tablets while in transit.

After dark: A night view of the entrance of the DECC Doha Metro station between the skyscrapers of Doha's West Bay area (on the Red line).

Riding the rails: In the initial stage, Doha's metro is able to carry more than 8,000 passengers per hour per direction on each line.

Classic design: Sport City Metro station on the Gold line.

Light and movement: "The interior spaces create an effect of light, movement and fluidity," says Ben van Berkel, co-founder of UNStudio, a Dutch architecture firm that joined forces with the Qatar Rail Architecture Department to create the stations.