If you look at arrival tracks on, for example, Heathrow's WebTrak system, they typically consist of a series of constant-heading segments instructed by ATC. It's not that unusual to see a base leg, followed by an approximately 60° turn to intercept the ILS (or RNP final approach track).
Here's an example:
https://myneighbourhood.emsbk.com/lh...btrak/51961148
And another quote from the AIP:
Pilots should typically expect the following speed restrictions to be enforced: 220 KT from the holding facility during the initial approach phase; 180 KT on base leg/closing heading to final approach; between 180 KT and 160 KT when established on final approach and thereafter 160 KT to 4 DME.