<span class="mw-page-title-main">S9 (Rhine-Main S-Bahn)</span>

S9 (Rhine-Main S-Bahn)

<p>The <b>S9</b> service of the <a href="/en/S-Bahn_Rhein-Main" title="S-Bahn Rhein-Main" class="mw-redirect wl">S-Bahn Rhein-Main</a> system bearing the KBS (German <a href="/en/List_of_scheduled_railway_routes_in_Germany" title="List of scheduled railway routes in Germany" class="wl">scheduled railway route</a>) number 645.9. It is largely concurrent with the <a href="/en/S8_(Rhine-Main_S-Bahn)" title="S8 (Rhine-Main S-Bahn)" class="wl">S8</a> service, diverging only to bypass <a href="/en/Mainz" title="Mainz" class="wl">Mainz</a> (which the S8 serves locally).</p>

<style data-mw-deduplicate="TemplateStyles:r1066479718" typeof="mw:Extension/templatestyles mw:Transclusion">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}body.skin-minerva .mw-parser-output .infobox-header,body.skin-minerva .mw-parser-output .infobox-subheader,body.skin-minerva .mw-parser-output .infobox-above,body.skin-minerva .mw-parser-output .infobox-title,body.skin-minerva .mw-parser-output .infobox-image,body.skin-minerva .mw-parser-output .infobox-full-data,body.skin-minerva .mw-parser-output .infobox-below{text-align:center}</style><div class='mobile-collapse'><header class="mobile-collapse-header mobile-collapse-btn"><b>Quick facts: S9, Overview, Status, Owner, Line number...</b> <span class='arrow'>▼</span></header> <table class="infobox mobile-collapse-element" style="width:;"><tbody><tr><th colspan="2" class="infobox-above" style="border-top: 4px solid #81017e; border-bottom: 4px solid #81017e;">S9</th></tr><tr><td colspan="2" class="infobox-image"><span><a href="/en/File:Frankfurt_S9.svg" class="mw-file-description image media-thumb" data-hash="File:Frankfurt_S9.svg"><img loading="lazy" src="//upload.wikimedia.org/wikipedia/commons/thumb/1/1c/Frankfurt_S9.svg/100px-Frankfurt_S9.svg.png" decoding="async" data-file-width="482" data-file-height="304" data-file-type="drawing" height="63" width="100" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/1c/Frankfurt_S9.svg/150px-Frankfurt_S9.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/1c/Frankfurt_S9.svg/200px-Frankfurt_S9.svg.png 2x" alt="Frankfurt_S9.svg"></a></span></td></tr><tr><td colspan="2" class="infobox-image"><span><a href="/en/File:Neue_Niederräder_Brücke_S-Bahn.jpg" class="mw-file-description image media-thumb" data-hash="File:Neue_Niederräder_Brücke_S-Bahn.jpg"><img loading="lazy" src="//upload.wikimedia.org/wikipedia/commons/thumb/9/9d/Neue_Niederr%C3%A4der_Br%C3%BCcke_S-Bahn.jpg/265px-Neue_Niederr%C3%A4der_Br%C3%BCcke_S-Bahn.jpg" decoding="async" data-file-width="2560" data-file-height="1920" data-file-type="bitmap" height="199" width="265" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/9d/Neue_Niederr%C3%A4der_Br%C3%BCcke_S-Bahn.jpg/398px-Neue_Niederr%C3%A4der_Br%C3%BCcke_S-Bahn.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/9d/Neue_Niederr%C3%A4der_Br%C3%BCcke_S-Bahn.jpg/530px-Neue_Niederr%C3%A4der_Br%C3%BCcke_S-Bahn.jpg 2x" alt="Neue_Niederr%C3%A4der_Br%C3%BCcke_S-Bahn.jpg"></a></span><div class="infobox-caption">Train crossing the Main river in Frankfurt</div></td></tr><tr><th colspan="2" class="infobox-header notheme" style="background-color: #efefef;">Overview</th></tr><tr><th scope="row" class="infobox-label">Status</th><td class="infobox-data">Operational</td></tr><tr><th scope="row" class="infobox-label">Owner</th><td class="infobox-data"><a href="/en/Rhein-Main-Verkehrsverbund" title="Rhein-Main-Verkehrsverbund" class="wl">Rhein-Main-Verkehrsverbund</a></td></tr><tr><th scope="row" class="infobox-label">Line number</th><td class="infobox-data">9</td></tr><tr><th scope="row" class="infobox-label">Locale</th><td class="infobox-data"><a href="/en/Frankfurt_Rhine-Main" title="Frankfurt Rhine-Main" class="wl">Frankfurt Rhine-Main</a></td></tr><tr><th scope="row" class="infobox-label">Termini</th><td class="infobox-data"><style data-mw-deduplicate="TemplateStyles:r1126788409" typeof="mw:Extension/templatestyles">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style><div class="plainlist"><ul><li><a href="/en/Wiesbaden_Hauptbahnhof" title="Wiesbaden Hauptbahnhof" class="wl">Wiesbaden Hauptbahnhof</a></li><li><a href="/en/Hanau_Hauptbahnhof" title="Hanau Hauptbahnhof" class="wl">Hanau Hauptbahnhof</a></li></ul></div></td></tr><tr><th scope="row" class="infobox-label">Stations</th><td class="infobox-data">26</td></tr><tr><th colspan="2" class="infobox-header notheme" style="background-color: #efefef;">Service</th></tr><tr><th scope="row" class="infobox-label">Type</th><td class="infobox-data"><a href="/en/Rapid_transit" title="Rapid transit" class="wl">Rapid transit</a>, <a href="/en/Commuter_rail" title="Commuter rail" class="wl">Commuter rail</a></td></tr><tr><th scope="row" class="infobox-label">System</th><td class="infobox-data"><a href="/en/S-Bahn_Rhein-Main" title="S-Bahn Rhein-Main" class="mw-redirect wl">S-Bahn Rhein-Main</a></td></tr><tr><th scope="row" class="infobox-label">Services</th><td class="infobox-data"><a href="/en/Taunus_Railway" title="Taunus Railway" class="wl">Taunus Railway</a>, <a href="/en/Main_Railway" title="Main Railway" class="wl">Main Railway</a>, <a href="/en/Citytunnel_Frankfurt" title="Citytunnel Frankfurt" class="mw-redirect wl">Citytunnel Frankfurt</a>, <a href="/en/South_Main_S-Bahn" title="South Main S-Bahn" class="mw-redirect wl">South Main S-Bahn</a></td></tr><tr><th scope="row" class="infobox-label">Route number</th><td class="infobox-data">645.9</td></tr><tr><th scope="row" class="infobox-label">Operator(s)</th><td class="infobox-data"><a href="/en/DB_Regio" title="DB Regio" class="wl">DB Regio</a></td></tr><tr><th scope="row" class="infobox-label">Depot(s)</th><td class="infobox-data">Frankfurt Hbf</td></tr><tr><th scope="row" class="infobox-label">Rolling stock</th><td class="infobox-data"><a href="/en/DB_Class_420" title="DB Class 420" class="wl">DB Class 420</a></td></tr><tr><th colspan="2" class="infobox-header notheme" style="background-color: #efefef;">History</th></tr><tr><th scope="row" class="infobox-label">Opened</th><td class="infobox-data">2000<span style="display:none"><span>&nbsp;</span>(<span class="bday dtstart published updated">2000</span>)</span></td></tr><tr><th colspan="2" class="infobox-header notheme" style="background-color: #efefef;">Technical</th></tr><tr><th scope="row" class="infobox-label">Line length</th><td class="infobox-data">66.1<span>&nbsp;</span>km (41.1<span>&nbsp;</span>mi)</td></tr><tr><th scope="row" class="infobox-label"><a href="/en/Track_gauge" title="Track gauge" class="wl">Track gauge</a></th><td class="infobox-data"><span class="nowrap">1,435<span>&nbsp;</span>mm</span> (<style data-mw-deduplicate="TemplateStyles:r1020198016" typeof="mw:Extension/templatestyles">.mw-parser-output .frac{white-space:nowrap}.mw-parser-output .frac .num,.mw-parser-output .frac .den{font-size:80%;line-height:0;vertical-align:super}.mw-parser-output .frac .den{vertical-align:sub}.mw-parser-output .sr-only{border:0;clip:rect(0,0,0,0);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px}</style><span class="nowrap">4<span>&nbsp;</span>ft<span>&nbsp;</span><span class="frac" role="math">8<span class="sr-only">+</span><span class="num">1</span><span>⁄</span><span class="den">2</span></span><span>&nbsp;</span>in</span>) <span class="nowrap"><a href="/en/Standard_gauge" title="Standard gauge" class="mw-redirect wl">standard gauge</a></span></td></tr><tr><th scope="row" class="infobox-label"><a href="/en/Railway_electrification" title="Railway electrification" class="wl">Electrification</a></th><td class="infobox-data">Overhead line</td></tr></tbody></table> <footer class='mobile-collapse-footer mobile-collapse-btn'><b>Close</b> <span class='arrow'>▲</span></footer></div>


The S9 service of the S-Bahn Rhein-Main system bearing the KBS number 645.9. It is largely concurrent with the S8 service, diverging only to bypass Mainz . 