Union Terrace is a single carriageway

Single carriageway

A single carriageway is a road with 1, 2 or more lanes arranged within a single carriageway with no central reservation to separate opposing flows of traffic. Two-lane road or two-lane highway are single carriageway with one lane for each direction...

 street in the city centre of Aberdeen

Aberdeen

Aberdeen is Scotland's third most populous city, one of Scotland's 32 local government council areas and the United Kingdom's 25th most populous city, with an official population estimate of ....

. At the south end, it has a junction with Union Street

Union Street, Aberdeen

Union Street is a major street and shopping thoroughfare in Aberdeen, Scotland.It was built, along with the adjoining King Street, in the beginning of the 19th Century under plans suggested by Charles Abercrombie to provide an impressive entrance way into the city, and nearly bankrupted the city...

, at Union Bridge

Union Bridge, Aberdeen

Union Bridge is a bridge on Union Street, Aberdeen, Scotland. It is the largest single-span granite bridge in the world, at 130 feet . It was built by Thomas Fletcher under some influence from Thomas Telford...

 and Bridge Street and at the north end, it has a junction with Rosemount Viaduct, with the Central Library

Central Library, Aberdeen

The Central Library of Aberdeen in Scotland is located on Rosemount Viaduct and is the main library for the city.The library is housed in a listed building.It cost £10,000 to build and was publicly funded through local campaigning that began in 1889...

 and His Majesty's Theatre

His Majesty's Theatre

His Majesty's Theatre in Aberdeen is the largest theatre in north-east Scotland, seating more than 1400. The theatre is sited on Rosemount Viaduct, opposite the city's Union Terrace Gardens. It was designed by Frank Matcham and opened in 1906...

 on that street.

The street hosts the Aberdeen International Market roughly once every 3 months.

Union Terrace Gardens

Union Terrace Gardens

Union Terrace Gardens is a public park and gardens, and important landmark situated on Union Terrace at the heart of Aberdeen, Scotland.- The gardens :The sunken gardens opened to the public in 1879, and cover approximately two and a half acres...

 are in the Denburn Valley, adjacent to Union Terrace. There are currently plans to enhance the gardens, with one to put an art centre which will blend with the landscape, and the other is to create a civic square, levelling the gardens and bringing them up to street level.

There is a statue of Robert Burns

Robert Burns

Robert Burns was a Scottish poet and a lyricist. He is widely regarded as the national poet of Scotland, and is celebrated worldwide...

opposite the Caledonian Hotel.