Travelling between Ajman and Dubai is straightforward, affordable, and comfortable thanks to the E400 bus service. Operated by RTA Dubai in coordination with Ajman Transport, the E400 bus route is one of the most popular intercity public transport options in the UAE.
This updated E400 bus guide covers everything you need to know about E400 bus timings, route map, stops, fare, schedule, and FAQs, whether you’re a daily commuter, tourist, or new resident planning your UAE itinerary. Widely preferred this article to read, X25 Bus Route Dubai.
Quick Highlights: E400 Bus (Ajman to Dubai)
| Feature | Details |
|---|---|
| Bus Number | E400 |
| Route | Ajman – Dubai |
| Starting Point | Ajman Bus Station |
| Ending Point | Union Bus Station, Dubai |
| Fare | AED 12 (approx.) |
| Payment | Nol Card |
| Operating Authority | RTA Dubai |
| Travel Time | 60–75 minutes |
| Service Type | Intercity Bus |
| Updated | 2026 |
What is the E400 Bus?
The E400 bus is an inter-emirate public bus designed to connect Ajman to Dubai, making it ideal for office commuters, students, tourists, and budget travellers. It offers a smooth journey from Ajman Bus Station directly to Union Bus Station Dubai, one of the city’s main transport hubs.
E400 Bus Route: Ajman to Dubai
The E400 bus route from Ajman to Dubai is an intercity route that links:
- Dubai (Union Metro Station, Deira)
↓ via Al Ittihad Road (E11), passing near Sharjah - Ajman Bus Station in the Al Musalla / central Ajman area
You’ll often see the route described as:
- E400 bus route Ajman to Dubai: when you’re travelling from Ajman into Dubai
- E400 bus route Dubai to Ajman: when you’re heading out of Dubai from Union Metro
Because Union is a major interchange, the E400 bus is especially helpful if you’re:
- Landing at Dubai International Airport (DXB)
- Staying in Deira, Bur Dubai, or connecting to Dubai Marina, Business Bay, JLT, etc. via the metro
- Commuting daily between Ajman and Dubai for work or study
Major E400 Bus Stops
Some of the major E400 bus stops include:
- Ajman Bus Station
- Al Ittihad Road (passing area)
- Deira region
- Union Bus Station, Dubai
Note: Stops may vary slightly depending on traffic and RTA operational updates.
E400 Bus Route Map & Major Stops
While RTA and Ajman authorities provide the official E400 bus route map, here is what you can generally expect.
Start & End Points
- Dubai Terminus:
Union Metro Station (Deira, Dubai)- Interchange for Red Line and Green Line of the Dubai Metro
- Clearly marked Intercity Bus area – look for E‑routes like E400, E303, etc.
- Ajman Terminus:
Ajman Bus Station (near Al Musalla / central Ajman)- Main hub for buses within Ajman and intercity buses from Dubai & Sharjah
Main Corridor
- From Union Metro Station, the E400 bus joins Al Ittihad Road (E11)
- Travels through/alongside the Dubai–Sharjah–Ajman corridor
- Enters Ajman and continues to Ajman Bus Station
E400 Bus Timings (2026 Updated)
E400 Bus Timings from Ajman to Dubai
- First Bus: Around 5:00 AM
- Last Bus: Around 11:30 PM
- Frequency: Every 20–30 minutes
E400 Bus Timings from Union to Ajman
- First Bus: Around 5:30 AM
- Last Bus: Around 12:00 Midnight
Ajman to Dubai bus timings E400 may vary slightly on public holidays and weekends.
E400 Bus Schedule
The E400 bus schedule is designed for convenience:
- Peak hours: Higher frequency
- Off-peak hours: Slightly longer intervals
- Weekends & holidays: Reduced but consistent service
- For real-time updates, always check the RTA S’hail app.
E400 Bus Fare (Ajman to Dubai)
- Bus Fare: AED 12 (approx.)
- Payment Mode: NOL Card only
- Cash Accepted: No
- You must use a Nol card (Red, Silver, Gold, or Blue/Personal)
Make sure your Nol card has a substantial balance before boarding the bus.
Travel Time on E400 Bus
- Average Travel Time: 60 to 75 minutes
- Depends on:
- Traffic conditions
- Time of travel
- Weather and road congestion
Despite peak-hour traffic, the E400 bus remains one of the most cost-effective ways to travel between Ajman and Dubai.
How to Use the E400 Bus
From Dubai International Airport (DXB) to Ajman via E400
- From DXB Terminal 1 or 3:
- Take the Dubai Metro Red Line towards UAE Exchange / Expo 2020 (or in that general direction).
- Get off at Union Metro Station.
- At Union Metro Station:
- Follow signs to the Bus Station / Intercity Bus area.
- Look for E400 bus stops and electronic signboards.
- Board the E400 Bus:
- Tap in with Nol card.
- Ride until Ajman Bus Station.
This is usually one of the cheapest ways to go from DXB → Ajman.
From Ajman to Dubai & the Metro Network
- Go to Ajman Bus Station (Al Musalla).
- Find the E400 bus bay (signposted).
- Tap in with Nol and ride to Union Metro Station.
- From Union, you can connect easily to:
- Bur Dubai, Karama, Oud Metha (via Green Line)
- Dubai Mall/Burj Khalifa, Business Bay, Marina, JLT, Expo (via Red Line)
Why Choose the E400 Bus?
Benefits of the E400 Bus:
- Budget-friendly travel
- Comfortable seating
- Air-conditioned buses
- Reliable schedule
- Eco-friendly transport option
Perfect for daily commuting and tourists exploring multiple emirates.
Tips for Tourists & New Residents Using the E400 Bus
- Travel early during peak hours
- Keep your Nol card topped up
- Use RTA apps for live tracking
- Sit near exits if carrying luggage
- Avoid rush hours if possible
FAQs
What is the E400 bus route?
The E400 bus route is an intercity bus network connecting Ajman Bus Station with Union Bus Station Dubai.
What are the E400 bus timings?
The E400 bus runs from early morning to late night, roughly 5:00 AM to 12:00 AM.
What is the E400 bus fare?
The E400 bus fare is approximately AED 12, payable via Nol card.
Are there E400 bus timings from Union to Ajman?
Yes, E400 bus timings from Union to Ajman start around 5:30 AM.
Is the E400 bus suitable for tourists?
Absolutely. The E400 bus is perfect for tourists exploring Dubai from Ajman on a budget.
Where can I check the E400 bus schedule today?
You can it on the RTA website or S’hail app.
Final Words
The E400 bus Ajman to Dubai remains one of the most extensive, reliable and economical transport options in the UAE. Whether you’re commuting daily or planning a travel itinerary across Emirates, the E400 bus route, timings, fare, and stops make it a smart and ideal choice.
For travellers looking for comfortable, budget-friendly and eco-conscious travel, the E400 bus ensures a comfortable journey while letting you enjoy the UAE’s vibrant city connections. Happy travelling and enjoy your journey across Ajman and Dubai!