The Namma Metro Blue Line to Airport is the rail corridor that will finally connect Bengaluru's metro network to Kempegowda International Airport. Built and operated by BMRCL as part of the network's expansion, the Blue Line runs across the eastern spine of the city and turns north toward Devanahalli, giving airport-bound travellers a traffic-free alternative to the road corridor. For anyone tracking access to North Bangalore, it is one of the most significant infrastructure lines under construction — and this guide sets out its route, its key stations, and what it changes on the ground.

A note on naming and timing. BMRCL's airport corridor is officially designated the Blue Line to Airport — you may also see it referenced as Line 2B in older planning documents. Construction is well advanced along elevated sections, but no fixed public opening date should be treated as final; commissioning happens section by section after safety clearances. Treat any single "launch date" you read online as an estimate, not a commitment, and check BMRCL's own updates before planning around it.

What the Blue Line to Airport Actually Connects

The Blue Line is built around two feeder arms that meet and continue north to the airport. The first arm runs east from Silk Board along the Outer Ring Road, past the Marathahalli and Bellandur employment belt, up to KR Puram. The second is the airport arm itself, which begins near KR Puram and runs north-east, following the road network out through Hebbal and Yelahanka toward the airport terminals. In practice this means a rider from the ORR tech corridor — where a large share of Bengaluru's office workforce sits — can reach the airport on a single metro spine instead of fighting the highway. The corridor also interchanges with the existing Purple Line at KR Puram and connects into the wider network, so the airport becomes reachable from far more of the city than the terminals are today.

Key Stations Along the Corridor

The line is largely elevated and threads together several of the city's busiest nodes. While station lists can be refined during construction, the corridor is anchored by these well-known points:

Station naming and exact stops are set by BMRCL and can change as sections are commissioned. Use this as a corridor map, not a final timetable.

Why the KR Puram and Silk Board Link Matters

The single most useful feature of the Blue Line is that it stitches the airport onto the metro network at two of the city's heaviest-traffic points. Today, someone leaving the ORR office belt for a flight has almost no reliable option except a road cab, and that road is precisely where Bengaluru's congestion is worst. By landing the airport arm at KR Puram — already a Purple Line interchange — and pushing the other arm to Silk Board, the corridor lets a rider transfer once and reach the terminals without a car. That reliability, rather than raw speed, is what changes behaviour: a metro run holds its time even when the roads do not.

What It Means for Devanahalli and North Bangalore

Devanahalli sits at the northern end of the airport growth story, and the Blue Line reinforces the same corridor that already carries road traffic to the terminals. The metre-by-metre benefit for a far-north location is less about boarding the line at your doorstep and more about the airport becoming a stronger, better-connected anchor — one that pulls offices, schools, and hospitals toward its catchment. As the terminals get easier to reach from across the city, the areas immediately around them, including the Devanahalli belt along IVC Road and the STRR, sit inside a widening zone of daily airport-linked activity. That is the practical read for North Bangalore: the metro deepens the airport's pull rather than replacing the road network.

Road vs Metro to the Airport

The two modes are complements, not rivals. The road corridor — NH-44, the STRR, and IVC Road — remains the fastest door-to-door option for anyone already in the northern belt, while the metro's strength is reliability across the wider city. For a Devanahalli resident, the airport is a short drive today; for a rider coming from South or East Bengaluru, the Blue Line removes the single biggest source of uncertainty in getting to a flight. Both feed the same node, and together they make the airport one of the best-connected destinations in the metropolitan area.

How This Connects to Bulwark Highgrove

Infrastructure like the Blue Line is part of why the Devanahalli belt keeps drawing attention. Bulwark Highgrove — a 30-acre gated plotted community at Dyavarahalli, near IVC Road and the STRR — sits inside the airport catchment that this corridor strengthens, roughly fifteen minutes from the terminals by road. If you are weighing North Bangalore for a plot, understanding how airport access is evolving is a useful part of the picture. This article is informational; for plot sizes and pricing, see the project's own pages.