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      <filer>
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      <liveTestFlag>LIVE</liveTestFlag>



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      <secFileNumber>001-06003</secFileNumber>
      <issuerAddress>
        <com:street1>1415 WEST 22ND STREET</com:street1>
        <com:street2>SUITE 1100</com:street2>
        <com:city>OAK BROOK</com:city>
        <com:stateOrCountry>IL</com:stateOrCountry>
        <com:zipCode>60523</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>630-954-2000</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Elting Lauren B</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Non-Qualified Stock Options</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Schwab Stock Plan Services</name>
        <address>
          <com:street1>9875 Schwab Way</com:street1>
          <com:city>Lone Tree</com:city>
          <com:stateOrCountry>CO</com:stateOrCountry>
          <com:zipCode>80124</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>14541</noOfUnitsSold>
      <aggregateMarketValue>790884.99</aggregateMarketValue>
      <noOfUnitsOutstanding>24484</noOfUnitsOutstanding>
      <approxSaleDate>05/22/2023</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
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      <securitiesClassTitle>Non-Qualified Stock Options</securitiesClassTitle>
      <acquiredDate>05/10/2017</acquiredDate>
      <natureOfAcquisitionTransaction>Grant</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Federal Signal</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>5592</amountOfSecuritiesAcquired>
      <paymentDate>05/22/2023</paymentDate>
      <natureOfPayment>Option Exercise</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Non-Qualified Stock Options</securitiesClassTitle>
      <acquiredDate>05/10/2018</acquiredDate>
      <natureOfAcquisitionTransaction>Grant</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Federal Signal</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>3487</amountOfSecuritiesAcquired>
      <paymentDate>05/22/2023</paymentDate>
      <natureOfPayment>Option Exercise</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Non-Qualified Stock Options</securitiesClassTitle>
      <acquiredDate>05/06/2019</acquiredDate>
      <natureOfAcquisitionTransaction>Grant</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Federal Signal</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>2702</amountOfSecuritiesAcquired>
      <paymentDate>05/22/2023</paymentDate>
      <natureOfPayment>Option Exercise</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Non-Qualified Stock Options</securitiesClassTitle>
      <acquiredDate>05/08/2020</acquiredDate>
      <natureOfAcquisitionTransaction>Grant</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Federal Signal</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>2760</amountOfSecuritiesAcquired>
      <paymentDate>05/22/2023</paymentDate>
      <natureOfPayment>Option Exercise</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>05/19/2023</noticeDate>
      <planAdoptionDates>
        <planAdoptionDate>04/28/2015</planAdoptionDate>
      </planAdoptionDates>
      <signature>Diane Bonina</signature>
    </noticeSignature>
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144
0001739473
XXXXXXXX
LIVE
0000277509
FEDERAL SIGNAL CORP /DE/
001-06003
1415 WEST 22ND STREET
SUITE 1100
OAK BROOK
IL
60523
630-954-2000
Elting Lauren B
Officer
Non-Qualified Stock Options
Schwab Stock Plan Services
9875 Schwab Way
Lone Tree
CO
80124
14541
790884.99
24484
05/22/2023
NYSE
Non-Qualified Stock Options
05/10/2017
Grant
Federal Signal
N
5592
05/22/2023
Option Exercise
Non-Qualified Stock Options
05/10/2018
Grant
Federal Signal
N
3487
05/22/2023
Option Exercise
Non-Qualified Stock Options
05/06/2019
Grant
Federal Signal
N
2702
05/22/2023
Option Exercise
Non-Qualified Stock Options
05/08/2020
Grant
Federal Signal
N
2760
05/22/2023
Option Exercise
Y
05/19/2023
04/28/2015
Diane Bonina