The runway will be extended by 500 metres to handle large aircraft.
The 216km railway will traverse Narok-Bomet-Kisumu-Malaba.
The Greenfield Terminal project was cancelled in March 2016.
The 28km road is expected to be ready by Jan 15, 2023.
The American company says it stands ready to support the project.
KIND has already completed a feasibility study for the project.
The facility has added a capacity of 450,000 TEUs.
Atkins was commissioned by Kenya to design the new facility.
Essential traits you need to get a construction job.
Angama Airstrip is being converted into an international airport.