Plan extra time during rush hour; roads leading to Heathrow, including the M4, often experience congestion

https://sergiohblb213.almoheet-travel.com/transport-heathrow-to-paddington-fastest-and-cheapest-ways-compared-2

Plan extra time during rush hour; roads leading to Heathrow, including the M4, often experience congestion, especially around junctions and airport exits.