Major roads and highways that are key to transportation in Western Kenya. These include:
- A1 Road – This is a major road that starts from the Kenya-Uganda border at Malaba, passing through Busia, Mumias, and Kisumu, and extends to Isebania at the Kenya-Tanzania border.
- C34 Road – Connects Kisumu to Vihiga and Kakamega towns.
- A104 Road – Though primarily known for connecting Nairobi to Uganda via Nakuru and Eldoret, part of this road runs through the western part of Kenya.
- B1 Road – This road traverses from Kisumu through Kericho to Nakuru.
- C27 Road – Links the town of Homa Bay to Rongo in Migori County.
- B3 Road – Starts from Kisii and heads southwards to the Kenya-Tanzania border.
- C26 Road – Connects Kisumu to Bondo in Siaya County.
These roads are crucial for the movement of people and goods across Western Kenya and to neighboring countries. The region has an extensive network of roads that connect various counties including Kisumu, Siaya, Vihiga, Bungoma, Kakamega, and Busia, facilitating local commerce and access to social amenities.