Travelling from Nairobi’s Northern Bypass to the Eastern Bypass creates an important cross-metropolitan connection between the northern and eastern sides of the city. Instead of travelling through Nairobi CBD, the journey uses the wider bypass network to connect areas such as Ruaka, Runda, Kiambu Road and Kahawa West with Ruiru, Kamakis, Ruai, Utawala and eastern Nairobi.

The key area to understand is Ruiru and the Thika Road/Kamakis side, where the Northern Bypass network connects with the roads leading into the Eastern Bypass corridor. Metros Kenya’s existing commuter database identifies both Northern and Eastern Bypass routes as part of Nairobi’s growing orbital public transport network. (Metros Kenya)

← View all Nairobi Matatu Routes and Numbers

Northern Bypass to Eastern Bypass at a Glance

The journey can broadly be understood as:

Northern Bypass
↓
Ruiru / Thika Road side
↓
Kamakis
↓
Eastern Bypass
↓
Ruai
↓
Utawala / eastern Nairobi connections

The exact road or public transport combination depends on where along the Northern Bypass the journey begins.

For someone travelling from Ruaka, for example, considerably more of the Northern Bypass network must be covered than for someone starting around Kahawa West or the Ruiru side.

Where the Northern and Eastern Bypass Networks Connect

The most important transition occurs around the Ruiru–Thika Road–Kamakis area.

The Northern Bypass serves the northern side of the Nairobi metropolitan area, connecting the Ruaka side with northern Nairobi and onward towards Ruiru.

The Eastern Bypass then provides an orbital connection from the Ruiru/Kamakis side towards Ruai and the wider eastern Nairobi transport network.

Metros’ existing Ruai to Kamakis/Ruiru guide documents the eastern section as:

Ruiru → Thika Road → Kamakis → Eastern Bypass → Ruai

This is particularly important because it allows passengers to move between northeastern and eastern Nairobi without first travelling into the CBD. (Metros Kenya)

Read: Ruai to Kamakis / Ruiru via Eastern Bypass

Starting From Ruaka

Ruaka sits at the western side of the Northern Bypass network and is therefore one of the longest starting points for a Northern Bypass-to-Eastern Bypass journey.

A broad journey can be understood as:

Ruaka → Northern Bypass → northern Nairobi → Ruiru side → Kamakis → Eastern Bypass

Passengers using public transport should not assume that one matatu will necessarily operate this entire journey.

Different sections of the corridor may require an interchange.

For commuters travelling regularly between Ruaka and the northern side of Nairobi, Metros has a dedicated guide to the wider Ruaka–Ruiru corridor:

Read: Ruaka to Ruiru via Northern Bypass

The Northern Bypass is also served by several routes and connections documented in the Metros Nairobi Matatu Routes database, including services involving Ruaka, Kahawa West and Ruiru. (Metros Kenya)

From Ruiru to the Eastern Bypass

Ruiru is the critical transition area for this journey.

Rather than continuing down Thika Road towards Nairobi CBD, a traveller heading east can connect towards the Kamakis/Eastern Bypass corridor.

The broad movement is:

Ruiru → Kamakis → Eastern Bypass

From here, the Eastern Bypass opens connections towards:

Ruai

Utawala

Embakasi connections

Airport North Road connections

and other parts of eastern Nairobi.

Metros’ Ruiru-to-JKIA guide similarly documents the importance of the Eastern Bypass as an alternative to travelling through central Nairobi. (Metros Kenya)

Read: Ruiru to JKIA via Eastern Bypass

Kamakis Is the Key Eastern Bypass Landmark

Kamakis is one of the most useful landmarks to remember when changing from the Ruiru/Thika Road side into the Eastern Bypass network.

For someone approaching from Northern Bypass, the basic logic is:

Northern Bypass → Ruiru/Thika Road → Kamakis → Eastern Bypass

Kamakis then provides access towards Ruai.

Metros’ existing Ruai–Ruiru commuter guide treats this as an orbital connection rather than a conventional CBD-centred matatu journey. (Metros Kenya)

That distinction is important.

Many Nairobi matatu journeys historically radiate towards or away from the CBD. The bypass network increasingly allows some commuters to move across the metropolitan area instead.

Eastern Bypass to Ruai

Once on the Eastern Bypass, Ruai becomes another major reference point.

The corridor can be understood as:

Kamakis → Eastern Bypass → Ruai

and in reverse:

Ruai → Eastern Bypass → Kamakis → Ruiru

Read the complete Ruai–Kamakis–Ruiru commuter guide

Ruai is particularly important because passengers can connect with other public transport serving the Kangundo Road, Njiru, Utawala and wider eastern Nairobi network.

Continuing From Ruai to Utawala

Passengers whose destination lies farther south along the eastern side of Nairobi can continue towards Utawala.

Metros’ Nairobi Matatu Routes database identifies Route 33, Route 33UTW, Route 38/39 and Route 39 among the services associated with Utawala, Ruai and the Eastern Bypass network. (Metros Kenya)

Read: Route 33 Nairobi to Utawala via Eastern Bypass

For commuters, the wider geographical chain becomes:

Northern Bypass → Ruiru → Kamakis → Eastern Bypass → Ruai → Utawala

This demonstrates why the two bypass corridors should be viewed as connected components of Nairobi’s transport network rather than isolated roads.

Can You Travel From Northern Bypass to Eastern Bypass by Matatu?

Yes, but it is better to think of the journey as a series of connected public transport corridors rather than assuming that there is one universal Northern Bypass–Eastern Bypass matatu.

For example, a passenger starting in Ruaka may need to first travel towards the Ruiru side of the Northern Bypass network.

At or around the Ruiru/Kamakis side, another service may provide the onward connection through the Eastern Bypass towards Ruai.

Passengers travelling farther towards Utawala may require another connection depending on the service available.

Matatu operations can change, so passengers should confirm the destination displayed on the vehicle and ask the crew whether it reaches the required interchange.

Useful Matatu Routes for the Journey

Several existing Metros route guides can help passengers understand different sections of the network.

Route 106 — Ruaka / Banana Hill

Route 106 serves the Ruaka side through the Limuru Road corridor and provides connections towards the western end of the Northern Bypass network.

Read Route 106 Nairobi–Ruaka–Banana Hill Guide

Route 107 — Ruaka

Route 107 also serves Ruaka through the Limuru Road, Village Market and Runda side.

Read Route 107 Nairobi–Ruaka Guide

Route 146 — Ruiru

Route 146 serves the Ruiru corridor through Thika Road and provides connections towards the northern bypass network.

Read Route 146 Nairobi–Ruiru Guide

Route 145 — Ruiru

Route 145 provides another important Nairobi–Ruiru connection.

Read Route 145 Nairobi–Ruiru Guide

Route 33 — Utawala

Route 33 connects Nairobi with the Utawala side through the Embakasi/Airport North Road/Eastern Bypass network.

Read Route 33 Nairobi–Utawala Guide

These routes should not be interpreted as one continuous service from Northern Bypass to Eastern Bypass. They help explain the different public transport networks intersecting the journey.

Northern Bypass to JKIA

The bypass connection also matters for airport journeys.

A traveller coming from northern Nairobi can potentially continue from the Ruiru/Kamakis side through Eastern Bypass towards Ruai, Utawala, Embakasi and the airport-side road network.

Metros’ Ruiru-to-JKIA guide documents this as an alternative to travelling down Thika Road towards central Nairobi and then turning towards the airport. (Metros Kenya)

Read: Ruiru to JKIA Airport Guide

Travellers should remember that reaching the airport road network is not necessarily the same as reaching their passenger terminal.

For terminal, airline and airport information:

View the JKIA Flights, Terminals & Passenger Guide

JKIA is Nairobi’s main international airport and also handles domestic passenger services. (Metros Kenya)

Connecting the Bypass Network With Kenya’s Domestic Flights

The Northern–Eastern Bypass connection can also be useful for passengers travelling from northern Nairobi towards JKIA before taking a domestic flight.

Metros maintains a separate database covering Kenya’s domestic airports, airstrips and flight routes, including services from both JKIA and Wilson Airport. (Metros Kenya)

View Kenya Domestic Flights: Airports, Airstrips & Flight Routes Guide

Passengers should always check which Nairobi airport their flight uses. JKIA and Wilson Airport are separate airports, and Wilson serves many domestic, safari, regional and charter operations. (Metros Kenya)

View Wilson Airport Flights & Passenger Guide

Connecting With Nairobi Commuter Rail

Road travel is not the only transport network available around Ruiru.

Nairobi Commuter Rail also connects Nairobi Central Railway Station with Ruiru, alongside other metropolitan corridors including Embakasi Village and Syokimau. (Metros Kenya)

View Nairobi Commuter Rail Routes, Stations, Timetable & Fares

Rail should be considered a separate transport mode rather than a substitute for the bypass journey itself, but integrating the networks gives commuters more options when planning longer journeys across Nairobi.

Northern Bypass to Eastern Bypass vs Nairobi CBD

The main advantage of understanding this connection is that Nairobi CBD does not have to be the centre of every journey.

Consider someone travelling from Ruaka towards Ruai.

A traditional CBD-oriented journey could involve travelling from Ruaka towards central Nairobi before taking another vehicle eastwards.

The bypass approach instead seeks to move around northern and eastern Nairobi:

Ruaka → Northern Bypass → Ruiru → Kamakis → Eastern Bypass → Ruai

Whether that is faster on a particular day depends on traffic and the availability of suitable public transport connections.

The important point is that commuters have an alternative geographical strategy.

Northern Bypass to Eastern Bypass and the Wider Bypass Network

This journey forms one part of the larger Nairobi Bypass Network.

The four major corridors are:

Northern Bypass

Eastern Bypass

Southern Bypass

Western Bypass

Together with connecting roads such as Thika Road, Waiyaki Way, Mombasa Road, Limuru Road, Kiambu Road, Ngong Road and Lang’ata Road, they allow cross-metropolitan journeys that do not necessarily depend on Nairobi CBD.

View the Nairobi Bypass Network: Routes & Connections Guide

The next connections in the Metros bypass network are:

Eastern Bypass → Southern Bypass

Southern Bypass → Western Bypass

Western Bypass → Northern Bypass

These should be linked here as their dedicated guides are published.

Northern Bypass to Eastern Bypass at a Glance

Plan Your Journey

Before travelling between the Northern and Eastern Bypasses, check current traffic conditions and identify the interchange closest to your destination.

Public transport passengers should also confirm whether a matatu operates through to their destination or terminates at an intermediate point such as Ruiru, Kamakis or Ruai.

The important network to remember is:

Northern Bypass → Ruiru → Kamakis → Eastern Bypass → Ruai → Utawala

From there, passengers can connect with Nairobi’s wider road, matatu and airport transport networks.

← View the Nairobi Bypass Network Guide

← View all Nairobi Matatu Routes and Numbers

View Nairobi Commuter Rail Routes & Stations

View Kenya Domestic Flights, Airports & Airstrips