Sure! Here are some tips for your trip to Dubai, Abu Dhabi, and Sharjah:

Best Time to Visit:
The best time to visit these cities is from November to March when the weather is pleasant and suitable for outdoor activities.

Route and Accessibility:
Dubai, Abu Dhabi, and Sharjah are interconnected by road and are a short drive away from each other. Taxis, buses, and car rentals are easily available for commuting. There are also direct flights from many international airports.

Altitude and Acclimatization:
These cities are at sea level, so there are no issues with altitude sickness. However, be prepared for heat if you are visiting in summer.

Accommodation and Booking:
There is a wide range of accommodations available from luxury hotels to budget options. Be sure to book in advance, especially if you are visiting during the peak season.

Clothing and Essentials:
Light, breathable clothing is recommended due to the hot climate. However, modest dress is advised in public places. Always carry sunscreen, a hat, and sunglasses.

Health and Safety:
Keep yourself hydrated at all times due to high temperatures. Health care in these cities is of a very high standard.

Local Etiquette and Respect:
It's important to respect the local customs and traditions. Public displays of affection are frowned upon. Also, during Ramadan, eating, drinking, and smoking in public during daylight hours is considered disrespectful.