London Buses route 18

18
Overview
OperatorLondon United
(First Bus London)
GaragePark Royal
VehicleVolvo B5LH Wright Gemini 3
Peak vehicle requirement37
Former operatorsMetroline
First London
RATP Dev Transit London
Night-timeN18
Route
StartSudbury & Harrow Road station
ViaWembley
Stonebridge
Harlesden
Kensal Green
Baker Street
EndEuston bus station
Length9 miles (14 km)
Service
LevelDaily
FrequencyAbout every 4-7 minutes
Journey time42-90 minutes
Operates05:15 until 01:11
Annual patronage12.6 million (2022/23)

London Buses route 18 is a Transport for London contracted bus route in London, England. Running between Sudbury & Harrow Road station and Euston bus station, it is operated by First Bus London subsidiary London United.

In the period 2022/23, it was the busiest bus route in London.