A55
# A55

A55 may refer to:

## Roads

* A55 highway (Australia), a road connecting St George, Queensland and Lithgow, New South Wales
* A55 motorway (Canada), a road in Québec connecting Stanstead and Shawinigan
* A55 motorway (France), a road connecting Marseille and Martigues
* A55 road (Great Britain), a road connecting Chester and Holyhead
* Autostrada A55 (Italy), a bypass around Turin
* A55 road (Northern Ireland), a road around Belfast

## Electronics

* A-series light bulb of diameter 55 mm
* a model of a Fusion Controller Hub (FCH), a chipset used for AMD microprocessors
* Sony Alpha 55, a DSLT camera
* Siemens A55, a mobile phone
* ARM Cortex-A55, a processor microarchitecture

## Other

* Old Indian Defense, Encyclopaedia of Chess Openings code
* Austin Cambridge A55, a British car
* GER Class A55, a British steam locomotive
