Bus 21RT route
Route stops
34 stops • 2 directions
- Garcia y Boyero
- 197
- 202
- Nicolas Avellaneda
- Uruguay
- Marquez
- Fondo de la Legua
- Parana
- Pelliza
- San Martin
- Balbin - Mitre
- Constituyentes
- General Paz y Lope de Vega
- Puente Liniers
- Alberdi
- Crovara
- Terminal La Noria
- Terminal La Noria
- Eva Peron
- Alberdi
- Puente Liniers
- Lope de Vega
- Constituyentes
- Parque Sarmiento
- San Martin
- Pelliza
- Parana
- Fondo de la Legua
- Marquez
- Uruguay
- Nicolas Avellaneda
- 202
- 197
- Dardo Rocha
Route map

Common Questions About This Route
We've gathered all the essentials based on open data. Straight answers to the questions people ask most often.What number is assigned to this route?
Route number is 21RT. Remember it—the number stays the same everywhere: on the stop display, in apps, on the vehicle itself. Look for 21RT specifically. If you're not sure you found the right stop, just ask someone nearby: 'Does bus 21RT stop here?'
Where does bus #21RT run?
This route serves the Buenos Aires (Argentina) region. In larger metro areas, routes can pass through several districts or towns. To know for sure if it works for you, pull up the route map and check the key stops and direction.
Who's the official operator?
Operator is Empresa de Transporte Teniente General Roca S.A.. This is the official company responsible for the route. If you run into problems (rude driver, breakdown, dirty vehicle, delays)—contact them. It helps to note the time, direction, and route number—makes your complaint more specific and gets handled faster. Contact info is usually on the company website or in transit apps.
Which transit system does it belong to?
This route is part of the 'Nacional' transit system. Within one network, payment and transfer rules are often consistent. Terms can differ though, so check current fares and payment methods in up-to-date sources before your trip.
What color is the route on maps?
On transit maps this route is marked in #0079ef. Color helps you spot the line quickly and tell it apart from others. In some cities the line color appears on stop signs or even on the vehicles themselves. The exact shade might vary between sources—go by route number and endpoints instead.
Is there a fare?
Yes. Payment rules and discounts can differ by region and vehicle type. If it matters to you, verify current fares and ticket/validation requirements before traveling.
Does contactless payment work?
Yes, contactless payment is supported. Tap your card or phone on the validator and wait for confirmation. Sometimes terminals can be temporarily down, so it's good to have a backup payment method in case of a glitch.
Can you board with a wheelchair?
Yes. Accessibility usually means low-floor entry with ramps and designated spaces. Even when accessibility is stated, conditions can vary on specific vehicles and stops. If this is critical, check the vehicle type for your specific trip and confirm ramp/entry availability beforehand.
Additional Route Information
Linea 21 - Rapido Verde: Tigre - La Noria
Reference
21RT
Origin
García y Boyero
Destination
Terminal La Noria
Route network
Nacional
Operator
Empresa de Transporte Teniente General Roca S.A.
Color
#0079ef
Fare
Wheelchair accessibility
Payment: contactless
Linea 21 - Rapido: La Noria - Tigre
Reference
21RT
Origin
Terminal La Noria
Destination
Dardo Rocha
Route network
Nacional
Operator
Empresa de Transporte Teniente General Roca S.A.
Color
#0079ef
Fare
Wheelchair accessibility
Payment: contactless
Quick overview
Explore the bus 21RT route in Buenos Aires (Argentina). 2 directions, 34 stops, and an interactive route map available in one place.
Data source
The data is obtained from open sources and may contain inaccuracies. Route information is updated regularly.
