<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">urban rail systems</topic></authority><related type="broader"><topic>urban transit systems</topic></related><variant type="other"><topic>mass transit rail systems, urban</topic></variant><variant type="other"><topic>metropolitan railways</topic></variant><variant type="other"><topic>rail systems, urban</topic></variant><variant type="other"><topic>railways, metropolitan</topic></variant><variant type="other"><topic>systems, urban rail</topic></variant><variant type="other"><topic>transit systems, urban rail</topic></variant><variant type="other"><topic>urban mass transit rail systems</topic></variant><variant type="other"><topic>urban rail</topic></variant><variant type="other"><topic>urban rail system</topic></variant><variant type="other"><topic>urban rail transit systems</topic></variant> <note xml:lang="en"><![CDATA[ Includes rail transit systems serving primarily urban areas. ]]></note></mads>