McCallum Street is a one-way street

Street

A street is a paved public thoroughfare in a built environment. It is a public parcel of land adjoining buildings in an urban context, on which people may freely assemble, interact, and move about. A street can be as simple as a level patch of dirt, but is more often paved with a hard, durable...

 located in Chinatown, Singapore

Chinatown, Singapore

Singapore's Chinatown is an ethnic neighbourhood featuring distinctly Chinese cultural elements and a historically concentrated ethnic Chinese population. Chinatown is located within the larger district of Outram....

 and the financial district

Central Area

In Singapore, the Central Area or Central Business District contains the core financial and commercial districts, including eleven urban planning areas, namely Downtown Core, Marina East, Marina South, Museum, Newton, Orchard, Outram, River Valley, Rochor, Singapore River and Straits View as...

 of Shenton Way

Shenton Way

Shenton Way is a major trunk road in Singapore's central business district, most known for the commercial skyscrapers flanking both sides of the road. The Road is a one way street which starts at the junction of Cross Street, Central Boulevard and Raffles Quay and ends at Keppel Road...

 in the planning areas of both Outram

Outram, Singapore

Outram is a district in Singapore, within the Central Area, relatively near the prominent city centre and financial districts, but is nearer the border of the Central Area, and outside the Downtown Core. Outram is served by extensive public transport, including SBS Transit and a Mass Rapid Transit ...

 and Downtown Core

Downtown Core

The Downtown Core is a 266-hectare urban planning area in the south of the city-state of Singapore. The Downtown Core surrounds the mouth of the Singapore River and southeastern portion of its watershed, and is part of the Central Area, Singapore's central business district...

 respectively. The street starts from Shenton Way

Shenton Way

Shenton Way is a major trunk road in Singapore's central business district, most known for the commercial skyscrapers flanking both sides of the road. The Road is a one way street which starts at the junction of Cross Street, Central Boulevard and Raffles Quay and ends at Keppel Road...

 and ends at the junction of Telok Ayer Street which then continues to Amoy Street. The Chinatown part of the street links the junction of Telok Ayer Street and Amoy Street towards Cecil Street

Cecil Street

Cecil John Charles Street, MC, OBE, , known as CJC Street and John Street, began his military career as an artillery officer in the British army. During the course of World War I, he became a propagandist for MI7, in which role he held the rank of Major...

, and for the Shenton Way part linking from Shenton Way to Cecil Street.

The street was one of the new streets declared as a public street in 1895 when the area from Robinson Road

Robinson Road, Singapore

Robinson Road is a major trunk road in Singapore's central business district. Named after Sir William Cleaver Francis Robinson, then Governor of the Straits Settlements in 1877, it was once a sea-side thoroughfare until land reclamation works in Telok Ayer Basin shifted the shoreline further east...

 to Raffles Quay was levelled and drained. It is named after Major

Major

Major is a rank of commissioned officer, with corresponding ranks existing in almost every military in the world.When used unhyphenated, in conjunction with no other indicator of rank, the term refers to the rank just senior to that of an Army captain and just below the rank of lieutenant colonel. ...

 H.E. McCallum, Colonial engineer

Engineer

An engineer is a professional practitioner of engineering, concerned with applying scientific knowledge, mathematics and ingenuity to develop solutions for technical problems. Engineers design materials, structures, machines and systems while considering the limitations imposed by practicality,...

in the 1890s.

It is office to companies like Bangkok Bank and I-S Magazine.