The interior of the C301 contains seats arranged in both linear and latitudinal formations and is made with fiber-reinforced plastic.
There are priority seats and wheelchair spaces for those requiring special accommodations.
In case of emergencies, fireproofing materials allow the C301 to withstand any fire for up to 45 minutes.
Train announcements and next station information are displayed on LED information systems above the passenger doors.
The destination and line color are displayed on the exterior of the car.
The train also features open gangways to allow passengers to move between cars within a trainset.

A major distinctive feature of the C301 trains is the concealment of the air-conditioning system among the lighting.
The handrail configuration of the C301 was also originally different from the later trains prior to refurbishment.
The train also initially featured wooden-colour flooring prior to refurbishment.
The interior of the C301 contains seats arranged in both linear and latitudinal formations and is made with fiber-reinforced plastic. There are priority seats and wheelchair spaces for those requiring special accommodations. In case of emergencies, fireproofing materials allow the C301 to withstand any fire for up to 45 minutes. Train announcements and next station information are displayed on LED information systems above the passenger doors. The destination and line color are displayed on the exterior of the car. The train also features open gangways to allow passengers to move between cars within a trainset.
A major distinctive feature of the C301 trains is the concealment of the air-conditioning system among the lighting. The handrail configuration of the C301 was also originally different from the later trains prior to refurbishment. The train also initially featured wooden-colour flooring prior to refurbishment.
Taipei Metro C301