1. Public transportation: In Oxford, the public transportation network is developed, including buses, taxis and subways. These vehicles have strict safety measures and regulations to ensure the safety of passengers.

2. Security situation: Oxford is a safe city with strict security measures and patrol police. The downtown area has high visibility, security personnel and monitoring equipment.

3. Mode of transportation: From London Airport to Oxford University, taking the train is one of the most convenient and fast modes of transportation. Trains provide fast, frequent and reliable traffic connections, and there is a direct express train from Heathrow Airport to Oxford Railway Station (such as Paddington Railway Station). There are seats, dining cars and other facilities in the train compartment, which provide passengers with certain comfort and convenience.