Tobu 500 series

The trains were built by Kawasaki Heavy Industries, with exterior and interior styling overseen by Japanese industrial designer Ken Okuyama. The driving cabs at each end of the three-car trainsets includes an automatically extending gangway connection to allow trains to be coupled or split en route. ==Operations==

, the trains are used on the following services. ==Exterior==

The exterior livery consists of "champagne beige" with "forest green" and "future blue" (Tobu's corporate colour) highlights around the windows. ==Formation==

The fleet of three-car sets are formed as follows, with two driving motor ("M") cars and a non-powered trailer ("T") intermediate car. The two motored cars each have one single-arm pantograph. ==Interior==

Each three-car set has a seating capacity of 161 passengers. Seat pitch is . Interior lighting is LED lighting. File:Tobu railway 500 kei interior.jpg|Passenger saloon interior File:Tobu 500 series interior 20170415-02.jpg|Wheelchair space File:Tobu 500 series interior 20170415-06.jpg|The connecting gangway between units Toilet facilities Each trainset includes a universal access toilet, western-style toilet, and urinal, located in the centre car. File:Tobu railway 500 kei interior toilet.jpg|The universal-access toilet File:Tobu 500 series toilet-01.jpg|Interior of the universal-access toilet File:Tobu 500 series toilet-02.jpg|The standard western-style toilet File:Tobu 500 series toilet-03.jpg|The men's urinal ==History==

Tobu Railway officially announced initial details of the new trains on 22 April 2015. The first three sets, 501 to 503, were delivered from the Kawasaki Heavy Industries factory in Kobe in December 2016. The 500 series "Revaty" trains were a recipient of the 2018 Laurel Prize from the Japan Railfan Club. Sets 509, 510, and 511 were delivered in September 2020. These sets' delivery was the final working on the before its closure. ==References==