diff --git a/tests/sumo/devices/taxi/groups/5persons_ungrouped_routeExtension/dispatchinfos.sumo b/tests/sumo/devices/taxi/groups/5persons_ungrouped_routeExtension/dispatchinfos.sumo
new file mode 100644
index 000000000000..4f6a708c8f77
--- /dev/null
+++ b/tests/sumo/devices/taxi/groups/5persons_ungrouped_routeExtension/dispatchinfos.sumo
@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!-- generated on 2024-08-28 13:54:06 by Eclipse SUMO sumo Version v1_20_0+1753-8d7e5fec371
+This data file and the accompanying materials
+are made available under the terms of the Eclipse Public License v2.0
+which accompanies this distribution, and is available at
+http://www.eclipse.org/legal/epl-v20.html
+This file may also be made available under the following Secondary
+Licenses when the conditions for such availability set forth in the Eclipse
+Public License 2.0 are satisfied: GNU General Public License, version 2
+or later which is available at
+https://www.gnu.org/licenses/old-licenses/gpl-2.0-standalone.html
+SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later
+<sumoConfiguration xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://sumo.dlr.de/xsd/sumoConfiguration.xsd">
+
+    <input>
+        <net-file value="net.net.xml"/>
+        <route-files value="input_routes.rou.xml"/>
+    </input>
+
+    <output>
+        <write-license value="true"/>
+        <tripinfo-output value="tripinfos.xml"/>
+        <tripinfo-output.write-unfinished value="true"/>
+    </output>
+
+    <processing>
+        <default.speeddev value="0"/>
+    </processing>
+
+    <report>
+        <xml-validation value="never"/>
+        <duration-log.disable value="true"/>
+        <no-step-log value="true"/>
+    </report>
+
+    <taxi_device>
+        <device.taxi.dispatch-algorithm value="routeExtension"/>
+        <device.taxi.dispatch-algorithm.output value="dispatchinfos.xml"/>
+    </taxi_device>
+
+</sumoConfiguration>
+-->
+
+<DispatchInfo>
+    <dispatchShared time="0.00" id="trip_0" persons="p.0" sharingPersons="p.0 p.1 p.2 p.3 p.4 p.0 p.4 p.3 p.2 p.1" type="routeExtension"/>
+</DispatchInfo>
diff --git a/tests/sumo/devices/taxi/groups/5persons_ungrouped_routeExtension/errors.sumo b/tests/sumo/devices/taxi/groups/5persons_ungrouped_routeExtension/errors.sumo
new file mode 100644
index 000000000000..06ad77d1a1cd
--- /dev/null
+++ b/tests/sumo/devices/taxi/groups/5persons_ungrouped_routeExtension/errors.sumo
@@ -0,0 +1 @@
+Warning: Vehicle 'trip_0' aborted waiting for a person that will never come.
diff --git a/tests/sumo/devices/taxi/groups/5persons_ungrouped_routeExtension/input_routes.rou.xml b/tests/sumo/devices/taxi/groups/5persons_ungrouped_routeExtension/input_routes.rou.xml
new file mode 100644
index 000000000000..73ed51c5fa6b
--- /dev/null
+++ b/tests/sumo/devices/taxi/groups/5persons_ungrouped_routeExtension/input_routes.rou.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<routes xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://sumo.dlr.de/xsd/routes_file.xsd">
+    <vType id="taxi_large" personCapacity="8" vClass="taxi" length="8">
+        <param key="has.taxi.device" value="true"/>
+    </vType>
+
+    <trip id="trip_0" type="taxi_large" depart="0.00" from="A0B0" to="B0C0">
+        <stop lane="A0B0_1" triggered="person"/>
+    </trip>
+
+    <personFlow id="p" number="5" begin="0.00" end="0">
+        <ride from="B2C2" to="A0B0" lines="taxi"/>
+    </personFlow>
+
+</routes>
diff --git a/tests/sumo/devices/taxi/groups/5persons_ungrouped_routeExtension/options.sumo b/tests/sumo/devices/taxi/groups/5persons_ungrouped_routeExtension/options.sumo
new file mode 100644
index 000000000000..2fee57ec7e1f
--- /dev/null
+++ b/tests/sumo/devices/taxi/groups/5persons_ungrouped_routeExtension/options.sumo
@@ -0,0 +1,6 @@
+--no-step-log --no-duration-log --net-file=net.net.xml
+-r input_routes.rou.xml
+--tripinfo-output tripinfos.xml
+--tripinfo-output.write-unfinished
+--device.taxi.dispatch-algorithm routeExtension
+--device.taxi.dispatch-algorithm.output dispatchinfos.xml
diff --git a/tests/sumo/devices/taxi/groups/5persons_ungrouped_routeExtension/output.sumo b/tests/sumo/devices/taxi/groups/5persons_ungrouped_routeExtension/output.sumo
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/tests/sumo/devices/taxi/groups/5persons_ungrouped_routeExtension/tripinfos.sumo b/tests/sumo/devices/taxi/groups/5persons_ungrouped_routeExtension/tripinfos.sumo
new file mode 100644
index 000000000000..4cb00180cb86
--- /dev/null
+++ b/tests/sumo/devices/taxi/groups/5persons_ungrouped_routeExtension/tripinfos.sumo
@@ -0,0 +1,63 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!-- generated on 2024-08-28 13:53:29 by Eclipse SUMO sumo Version v1_20_0+1753-8d7e5fec371
+This data file and the accompanying materials
+are made available under the terms of the Eclipse Public License v2.0
+which accompanies this distribution, and is available at
+http://www.eclipse.org/legal/epl-v20.html
+This file may also be made available under the following Secondary
+Licenses when the conditions for such availability set forth in the Eclipse
+Public License 2.0 are satisfied: GNU General Public License, version 2
+or later which is available at
+https://www.gnu.org/licenses/old-licenses/gpl-2.0-standalone.html
+SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later
+<sumoConfiguration xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://sumo.dlr.de/xsd/sumoConfiguration.xsd">
+
+    <input>
+        <net-file value="net.net.xml"/>
+        <route-files value="input_routes.rou.xml"/>
+    </input>
+
+    <output>
+        <write-license value="true"/>
+        <tripinfo-output value="tripinfos.xml"/>
+        <tripinfo-output.write-unfinished value="true"/>
+    </output>
+
+    <processing>
+        <default.speeddev value="0"/>
+    </processing>
+
+    <report>
+        <xml-validation value="never"/>
+        <duration-log.disable value="true"/>
+        <no-step-log value="true"/>
+    </report>
+
+    <taxi_device>
+        <device.taxi.dispatch-algorithm value="routeExtension"/>
+    </taxi_device>
+
+</sumoConfiguration>
+-->
+
+<tripinfos xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://sumo.dlr.de/xsd/tripinfo_file.xsd">
+    <personinfo id="p.0" depart="0.00" type="DEFAULT_PEDTYPE" speedFactor="1.00" duration="233.00" waitingTime="51.00" timeLoss="21.39" traveltime="182.00">
+        <ride waitingTime="51.00" vehicle="trip_0" depart="51.00" arrival="233.00" arrivalPos="287.60" duration="182.00" routeLength="1367.28" timeLoss="21.39"/>
+    </personinfo>
+    <personinfo id="p.1" depart="0.00" type="DEFAULT_PEDTYPE" speedFactor="1.00" duration="234.00" waitingTime="51.00" timeLoss="21.39" traveltime="183.00">
+        <ride waitingTime="51.00" vehicle="trip_0" depart="51.00" arrival="234.00" arrivalPos="287.60" duration="183.00" routeLength="1367.28" timeLoss="21.39"/>
+    </personinfo>
+    <personinfo id="p.2" depart="0.00" type="DEFAULT_PEDTYPE" speedFactor="1.00" duration="234.00" waitingTime="51.00" timeLoss="21.39" traveltime="183.00">
+        <ride waitingTime="51.00" vehicle="trip_0" depart="51.00" arrival="234.00" arrivalPos="287.60" duration="183.00" routeLength="1367.28" timeLoss="21.39"/>
+    </personinfo>
+    <personinfo id="p.3" depart="0.00" type="DEFAULT_PEDTYPE" speedFactor="1.00" duration="235.00" waitingTime="51.00" timeLoss="21.39" traveltime="184.00">
+        <ride waitingTime="51.00" vehicle="trip_0" depart="51.00" arrival="235.00" arrivalPos="287.60" duration="184.00" routeLength="1367.23" timeLoss="21.39"/>
+    </personinfo>
+    <personinfo id="p.4" depart="0.00" type="DEFAULT_PEDTYPE" speedFactor="1.00" duration="235.00" waitingTime="51.00" timeLoss="21.39" traveltime="184.00">
+        <ride waitingTime="51.00" vehicle="trip_0" depart="51.00" arrival="235.00" arrivalPos="287.60" duration="184.00" routeLength="1367.23" timeLoss="21.39"/>
+    </personinfo>
+    <tripinfo id="trip_0" depart="0.00" departLane="A0B0_1" departPos="8.10" departSpeed="0.00" departDelay="0.00" arrival="-1.00" arrivalLane="" arrivalPos="-1.00" arrivalSpeed="-1.00" duration="238.00" routeLength="1863.54" waitingTime="2.00" waitingCount="1" stopTime="68.00" timeLoss="31.49" rerouteNo="3" devices="tripinfo_trip_0 routing_trip_0 taxi_trip_0 person_trip_0" vType="taxi_large" speedFactor="1.00" vaporized="">
+        <taxi customers="5" occupiedDistance="1367.28" occupiedTime="125.00"/>
+    </tripinfo>
+</tripinfos>
diff --git a/tests/sumo/devices/taxi/groups/5persons_ungrouped_routeExtension/tripinfos.sumo.meso b/tests/sumo/devices/taxi/groups/5persons_ungrouped_routeExtension/tripinfos.sumo.meso
new file mode 100644
index 000000000000..9423730b2747
--- /dev/null
+++ b/tests/sumo/devices/taxi/groups/5persons_ungrouped_routeExtension/tripinfos.sumo.meso
@@ -0,0 +1,63 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!-- generated on 2024-08-26 15:32:41 by Eclipse SUMO sumo Version v1_20_0+1721-016cfd09667
+This data file and the accompanying materials
+are made available under the terms of the Eclipse Public License v2.0
+which accompanies this distribution, and is available at
+http://www.eclipse.org/legal/epl-v20.html
+This file may also be made available under the following Secondary
+Licenses when the conditions for such availability set forth in the Eclipse
+Public License 2.0 are satisfied: GNU General Public License, version 2
+or later which is available at
+https://www.gnu.org/licenses/old-licenses/gpl-2.0-standalone.html
+SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later
+<sumoConfiguration xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://sumo.dlr.de/xsd/sumoConfiguration.xsd">
+
+    <input>
+        <net-file value="net.net.xml"/>
+        <route-files value="input_routes.rou.xml"/>
+    </input>
+
+    <output>
+        <write-license value="true"/>
+        <tripinfo-output value="tripinfos.xml"/>
+        <tripinfo-output.write-unfinished value="true"/>
+    </output>
+
+    <processing>
+        <default.speeddev value="0"/>
+    </processing>
+
+    <report>
+        <xml-validation value="never"/>
+        <duration-log.disable value="true"/>
+        <no-step-log value="true"/>
+    </report>
+
+    <mesoscopic>
+        <mesosim value="true"/>
+    </mesoscopic>
+
+</sumoConfiguration>
+-->
+
+<tripinfos xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://sumo.dlr.de/xsd/tripinfo_file.xsd">
+    <personinfo id="p.0" depart="0.00" type="DEFAULT_PEDTYPE" speedFactor="1.00" duration="122.00" waitingTime="34.00" timeLoss="0.00" traveltime="88.00">
+        <ride waitingTime="34.00" vehicle="trip_0" depart="34.00" arrival="122.00" arrivalPos="191.73" duration="88.00" routeLength="1221.73" timeLoss="0.00"/>
+    </personinfo>
+    <personinfo id="p.1" depart="0.00" type="DEFAULT_PEDTYPE" speedFactor="1.00" duration="291.00" waitingTime="202.00" timeLoss="0.00" traveltime="89.00">
+        <ride waitingTime="202.00" vehicle="trip_0" depart="202.00" arrival="291.00" arrivalPos="191.73" duration="89.00" routeLength="1221.73" timeLoss="0.00"/>
+    </personinfo>
+    <personinfo id="p.2" depart="0.00" type="DEFAULT_PEDTYPE" speedFactor="1.00" duration="459.00" waitingTime="370.00" timeLoss="0.00" traveltime="89.00">
+        <ride waitingTime="370.00" vehicle="trip_0" depart="370.00" arrival="459.00" arrivalPos="191.73" duration="89.00" routeLength="1221.73" timeLoss="0.00"/>
+    </personinfo>
+    <personinfo id="p.3" depart="0.00" type="DEFAULT_PEDTYPE" speedFactor="1.00" duration="627.00" waitingTime="538.00" timeLoss="0.00" traveltime="89.00">
+        <ride waitingTime="538.00" vehicle="trip_0" depart="538.00" arrival="627.00" arrivalPos="191.73" duration="89.00" routeLength="1221.73" timeLoss="0.00"/>
+    </personinfo>
+    <personinfo id="p.4" depart="0.00" type="DEFAULT_PEDTYPE" speedFactor="1.00" duration="795.00" waitingTime="706.00" timeLoss="0.00" traveltime="89.00">
+        <ride waitingTime="706.00" vehicle="trip_0" depart="706.00" arrival="795.00" arrivalPos="191.73" duration="89.00" routeLength="1221.73" timeLoss="0.00"/>
+    </personinfo>
+    <tripinfo id="trip_0" depart="0.00" departLane="A0B0_1" departPos="0.00" departSpeed="13.89" departDelay="0.00" arrival="-1.00" arrivalLane="" arrivalPos="-1.00" arrivalSpeed="-1.00" duration="856.00" routeLength="7635.73" waitingTime="0.00" waitingCount="0" stopTime="305.00" timeLoss="240.00" rerouteNo="11" devices="tripinfo_trip_0 routing_trip_0 taxi_trip_0 person_trip_0" vType="taxi_small" speedFactor="1.00" vaporized="">
+        <taxi customers="5" occupiedDistance="6108.67" occupiedTime="444.80"/>
+    </tripinfo>
+</tripinfos>
diff --git a/tests/sumo/devices/taxi/groups/testsuite.sumo b/tests/sumo/devices/taxi/groups/testsuite.sumo
index 2c1939aba372..16cd445d388c 100644
--- a/tests/sumo/devices/taxi/groups/testsuite.sumo
+++ b/tests/sumo/devices/taxi/groups/testsuite.sumo
@@ -22,6 +22,9 @@
 # 5 persons that do not want to share a taxi
 5persons_ungrouped
 
+# 5 persons that do not want to share a taxi but use a sharing dispatcher
+5persons_ungrouped_routeExtension
+
 # use a transport definition to call a taxi
 2containers