A1 is a national highway in Kazakhstan that runs from Nur-Sultan to Petropavl with a total length of 456 kilometres (283 mi).[1] It is part of the European route E125.
The route starts in Nur-Sultan on the Nur-Sultan bypass junction, where it travels north-west and meets the start of the R6 highway and continues. It ends near the city of Shchuchinsk on the junction with the R7 highway. It restarts in north of Kokshetau next to the A13 highway and finishes its route in Petropavl.