diff --git a/src/Models/Area.php b/src/Models/Area.php
index 3cdff1d..d80747d 100644
--- a/src/Models/Area.php
+++ b/src/Models/Area.php
@@ -8,16 +8,10 @@
 
 class Area
 {
-    public int $id;
-
-    public AreaType $type;
-
-    public string $name;
-
-    public function __construct(int $id, AreaType $type, string $name)
-    {
-        $this->id = $id;
-        $this->type = $type;
-        $this->name = $name;
+    public function __construct(
+        public int $id,
+        public AreaType $type,
+        public string $name
+    ) {
     }
 }
diff --git a/src/Models/Attachment.php b/src/Models/Attachment.php
index eaa116d..b3080fc 100644
--- a/src/Models/Attachment.php
+++ b/src/Models/Attachment.php
@@ -6,13 +6,9 @@
 
 class Attachment
 {
-    public string $name;
-
-    public string $url;
-
-    public function __construct(string $name, string $url)
-    {
-        $this->name = $name;
-        $this->url = $url;
+    public function __construct(
+        public string $name,
+        public string $url
+    ) {
     }
 }
diff --git a/src/Models/Detour.php b/src/Models/Detour.php
index e8ad785..6d03eb7 100644
--- a/src/Models/Detour.php
+++ b/src/Models/Detour.php
@@ -10,45 +10,21 @@
 
 class Detour
 {
-    public string $id;
-
-    public bool $external;
-
-    public Geometry $geometry;
-
-    public string $name;
-
-    public Direction $direction;
-
-    public ?TransportMode $transportMode;
-
-    /**
-     * @var \Swis\Melvin\Enums\VehicleType[]
-     */
-    public array $vehicleTypes;
-
-    /**
-     * @var \Swis\Melvin\Enums\BoatType[]
-     */
-    public array $boatTypes;
-
     public function __construct(
-        string $id,
-        bool $external,
-        Geometry $geometry,
-        string $name,
-        Direction $direction,
-        ?TransportMode $transportMode,
-        array $vehicleTypes,
-        array $boatTypes
+        public string $id,
+        public bool $external,
+        public Geometry $geometry,
+        public string $name,
+        public Direction $direction,
+        public ?TransportMode $transportMode,
+        /**
+         * @var \Swis\Melvin\Enums\VehicleType[]
+         */
+        public array $vehicleTypes,
+        /**
+         * @var \Swis\Melvin\Enums\BoatType[]
+         */
+        public array $boatTypes
     ) {
-        $this->id = $id;
-        $this->external = $external;
-        $this->geometry = $geometry;
-        $this->name = $name;
-        $this->direction = $direction;
-        $this->transportMode = $transportMode;
-        $this->vehicleTypes = $vehicleTypes;
-        $this->boatTypes = $boatTypes;
     }
 }
diff --git a/src/Models/LaneInformation.php b/src/Models/LaneInformation.php
index 053d5bb..c0d82c6 100644
--- a/src/Models/LaneInformation.php
+++ b/src/Models/LaneInformation.php
@@ -6,16 +6,10 @@
 
 class LaneInformation
 {
-    public int $numberOfLanesRestricted;
-
-    public int $numberOfOperationalLanes;
-
-    public int $originalNumberOfLanes;
-
-    public function __construct(int $numberOfLanesRestricted, int $numberOfOperationalLanes, int $originalNumberOfLanes)
-    {
-        $this->numberOfLanesRestricted = $numberOfLanesRestricted;
-        $this->numberOfOperationalLanes = $numberOfOperationalLanes;
-        $this->originalNumberOfLanes = $originalNumberOfLanes;
+    public function __construct(
+        public int $numberOfLanesRestricted,
+        public int $numberOfOperationalLanes,
+        public int $originalNumberOfLanes
+    ) {
     }
 }
diff --git a/src/Models/Location.php b/src/Models/Location.php
index d2b9d96..ab12462 100644
--- a/src/Models/Location.php
+++ b/src/Models/Location.php
@@ -6,19 +6,11 @@
 
 class Location
 {
-    public string $city;
-
-    public string $road;
-
-    public string $district;
-
-    public string $comment;
-
-    public function __construct(string $city, string $road, string $district, string $comment)
-    {
-        $this->city = $city;
-        $this->road = $road;
-        $this->district = $district;
-        $this->comment = $comment;
+    public function __construct(
+        public string $city,
+        public string $road,
+        public string $district,
+        public string $comment
+    ) {
     }
 }
diff --git a/src/Models/Period.php b/src/Models/Period.php
index aec8bd4..5468a80 100644
--- a/src/Models/Period.php
+++ b/src/Models/Period.php
@@ -8,47 +8,17 @@
 
 class Period
 {
-    public int $id;
-
-    public string $name;
-
-    public \DateTime $startDate;
-
-    public ?\DateTime $endDate;
-
-    public bool $repeating;
-
-    public ?Week $repeatingAt;
-
-    public ?PeriodStatus $status;
-
-    public ?bool $overrunning;
-
-    public int $order;
-
-    public ?int $parentId;
-
     public function __construct(
-        int $id,
-        string $name,
-        \DateTime $startDate,
-        ?\DateTime $endDate,
-        bool $repeating,
-        ?Week $repeatingAt,
-        ?PeriodStatus $status,
-        ?bool $overrunning,
-        int $order,
-        ?int $parentId
+        public int $id,
+        public string $name,
+        public \DateTime $startDate,
+        public ?\DateTime $endDate,
+        public bool $repeating,
+        public ?Week $repeatingAt,
+        public ?PeriodStatus $status,
+        public ?bool $overrunning,
+        public int $order,
+        public ?int $parentId
     ) {
-        $this->id = $id;
-        $this->name = $name;
-        $this->startDate = $startDate;
-        $this->endDate = $endDate;
-        $this->repeating = $repeating;
-        $this->repeatingAt = $repeatingAt;
-        $this->status = $status;
-        $this->overrunning = $overrunning;
-        $this->order = $order;
-        $this->parentId = $parentId;
     }
 }
diff --git a/src/Models/Person.php b/src/Models/Person.php
index d7ef53b..4c0b574 100644
--- a/src/Models/Person.php
+++ b/src/Models/Person.php
@@ -8,19 +8,11 @@
 
 class Person
 {
-    public string $firstName;
-
-    public string $prefix;
-
-    public string $lastName;
-
-    public PersonType $type;
-
-    public function __construct(string $firstName, string $prefix, string $lastName, PersonType $type)
-    {
-        $this->firstName = $firstName;
-        $this->prefix = $prefix;
-        $this->lastName = $lastName;
-        $this->type = $type;
+    public function __construct(
+        public string $firstName,
+        public string $prefix,
+        public string $lastName,
+        public PersonType $type
+    ) {
     }
 }
diff --git a/src/Models/Restriction.php b/src/Models/Restriction.php
index 2dd579d..314dd35 100644
--- a/src/Models/Restriction.php
+++ b/src/Models/Restriction.php
@@ -12,73 +12,28 @@
 
 class Restriction
 {
-    public string $id;
-
-    public bool $external;
-
-    public ?Geometry $geometry;
-
-    public string $name;
-
-    public Direction $direction;
-
-    public ?TransportMode $transportMode;
-
-    public RestrictionType $restrictionType;
-
-    /**
-     * @var \Swis\Melvin\Enums\VehicleType[]
-     */
-    public array $vehicleTypes;
-
-    public ?RestrictionExtraInfo $emergencyServices;
-
-    public ?RestrictionExtraInfo $publicTransport;
-
-    public ?int $maximumSpeed;
-
-    public ?LaneInformation $laneInformation;
-
-    public ?VehicleInformation $vehicleInformation;
-
-    /**
-     * @var \Swis\Melvin\Enums\RoadManagementType[]
-     */
-    public ?array $roadManagementTypes;
-
-    public ?RoadManagementType $roadManagementType;
-
     public function __construct(
-        string $id,
-        bool $external,
-        ?Geometry $geometry,
-        string $name,
-        Direction $direction,
-        ?TransportMode $transportMode,
-        RestrictionType $restrictionType,
-        array $vehicleTypes,
-        ?RestrictionExtraInfo $emergencyServices,
-        ?RestrictionExtraInfo $publicTransport,
-        ?int $maximumSpeed,
-        ?LaneInformation $laneInformation,
-        ?VehicleInformation $vehicleInformation,
-        ?array $roadManagementTypes,
-        ?RoadManagementType $roadManagementType
+        public string $id,
+        public bool $external,
+        public ?Geometry $geometry,
+        public string $name,
+        public Direction $direction,
+        public ?TransportMode $transportMode,
+        public RestrictionType $restrictionType,
+        /**
+         * @var \Swis\Melvin\Enums\VehicleType[]
+         */
+        public array $vehicleTypes,
+        public ?RestrictionExtraInfo $emergencyServices,
+        public ?RestrictionExtraInfo $publicTransport,
+        public ?int $maximumSpeed,
+        public ?LaneInformation $laneInformation,
+        public ?VehicleInformation $vehicleInformation,
+        /**
+         * @var \Swis\Melvin\Enums\RoadManagementType[]
+         */
+        public ?array $roadManagementTypes,
+        public ?RoadManagementType $roadManagementType
     ) {
-        $this->id = $id;
-        $this->external = $external;
-        $this->geometry = $geometry;
-        $this->name = $name;
-        $this->direction = $direction;
-        $this->transportMode = $transportMode;
-        $this->restrictionType = $restrictionType;
-        $this->vehicleTypes = $vehicleTypes;
-        $this->emergencyServices = $emergencyServices;
-        $this->publicTransport = $publicTransport;
-        $this->maximumSpeed = $maximumSpeed;
-        $this->laneInformation = $laneInformation;
-        $this->vehicleInformation = $vehicleInformation;
-        $this->roadManagementTypes = $roadManagementTypes;
-        $this->roadManagementType = $roadManagementType;
     }
 }
diff --git a/src/Models/RestrictionExtraInfo.php b/src/Models/RestrictionExtraInfo.php
index 905d6a2..a665806 100644
--- a/src/Models/RestrictionExtraInfo.php
+++ b/src/Models/RestrictionExtraInfo.php
@@ -6,13 +6,9 @@
 
 class RestrictionExtraInfo
 {
-    public ?bool $passageAllowed;
-
-    public string $description;
-
-    public function __construct(?bool $passageAllowed, string $description)
-    {
-        $this->passageAllowed = $passageAllowed;
-        $this->description = $description;
+    public function __construct(
+        public ?bool $passageAllowed,
+        public string $description
+    ) {
     }
 }
diff --git a/src/Models/RoadAuthority.php b/src/Models/RoadAuthority.php
index 9730ab2..2c5b5f7 100644
--- a/src/Models/RoadAuthority.php
+++ b/src/Models/RoadAuthority.php
@@ -8,16 +8,10 @@
 
 class RoadAuthority
 {
-    public int $id;
-
-    public ?RoadAuthorityType $type;
-
-    public string $name;
-
-    public function __construct(int $id, ?RoadAuthorityType $type, string $name)
-    {
-        $this->id = $id;
-        $this->type = $type;
-        $this->name = $name;
+    public function __construct(
+        public int $id,
+        public ?RoadAuthorityType $type,
+        public string $name
+    ) {
     }
 }
diff --git a/src/Models/Situation.php b/src/Models/Situation.php
index 93cc05c..0917d73 100644
--- a/src/Models/Situation.php
+++ b/src/Models/Situation.php
@@ -16,135 +16,48 @@
 
 class Situation
 {
-    public string $id;
-
-    public bool $external;
-
-    public Geometry $geometry;
-
-    public string $name;
-
-    public ?ActivityType $activityType;
-
-    public ?WorkObject $workObject;
-
-    public ?Impact $impact;
-
-    public ?string $impactDescription;
-
-    public bool $project;
-
-    public Source $source;
-
-    public bool $published;
-
-    public ?string $url;
-
-    public ?string $urlDescription;
-
-    public Delay $delay;
-
-    public ?WorkType $workType;
-
-    public ?EventType $eventType;
-
-    public ?string $eventName;
-
-    public ?string $addition;
-
-    public SituationStatus $status;
-
-    public ?RoadAuthority $roadAuthority;
-
-    public Location $location;
-
-    /**
-     * @var \Swis\Melvin\Models\Period[]
-     */
-    public array $periods;
-
-    public ?\DateTime $createdAt;
-
-    public ?Person $createdBy;
-
-    public ?\DateTime $lastChangedAt;
-
-    public ?Person $lastChangedBy;
-
-    /**
-     * @var \Swis\Melvin\Models\Attachment[]
-     */
-    public array $attachments;
-
-    /**
-     * @var \Swis\Melvin\Models\Restriction[]
-     */
-    public array $restrictions;
-
-    /**
-     * @var \Swis\Melvin\Models\Detour[]
-     */
-    public array $detours;
-
     public function __construct(
-        string $id,
-        bool $external,
-        Geometry $geometry,
-        string $name,
-        ?ActivityType $activityType,
-        ?WorkObject $workObject,
-        ?Impact $impact,
-        ?string $impactDescription,
-        bool $project,
-        Source $source,
-        bool $published,
-        ?string $url,
-        ?string $urlDescription,
-        Delay $delay,
-        ?WorkType $workType,
-        ?EventType $eventType,
-        ?string $eventName,
-        ?string $addition,
-        SituationStatus $status,
-        ?RoadAuthority $roadAuthority,
-        Location $location,
-        array $periods,
-        ?\DateTime $createdAt,
-        ?Person $createdBy,
-        ?\DateTime $lastChangedAt,
-        ?Person $lastChangedBy,
-        array $attachments,
-        array $restrictions,
-        array $detours
+        public string $id,
+        public bool $external,
+        public Geometry $geometry,
+        public string $name,
+        public ?ActivityType $activityType,
+        public ?WorkObject $workObject,
+        public ?Impact $impact,
+        public ?string $impactDescription,
+        public bool $project,
+        public Source $source,
+        public bool $published,
+        public ?string $url,
+        public ?string $urlDescription,
+        public Delay $delay,
+        public ?WorkType $workType,
+        public ?EventType $eventType,
+        public ?string $eventName,
+        public ?string $addition,
+        public SituationStatus $status,
+        public ?RoadAuthority $roadAuthority,
+        public Location $location,
+        /**
+         * @var \Swis\Melvin\Models\Period[]
+         */
+        public array $periods,
+        public ?\DateTime $createdAt,
+        public ?Person $createdBy,
+        public ?\DateTime $lastChangedAt,
+        public ?Person $lastChangedBy,
+        /**
+         * @var \Swis\Melvin\Models\Attachment[]
+         */
+        public array $attachments,
+        /**
+         * @var \Swis\Melvin\Models\Restriction[]
+         */
+        public array $restrictions,
+        /**
+         * @var \Swis\Melvin\Models\Detour[]
+         */
+        public array $detours
     ) {
-        $this->id = $id;
-        $this->external = $external;
-        $this->geometry = $geometry;
-        $this->name = $name;
-        $this->activityType = $activityType;
-        $this->workObject = $workObject;
-        $this->impact = $impact;
-        $this->impactDescription = $impactDescription;
-        $this->project = $project;
-        $this->source = $source;
-        $this->published = $published;
-        $this->url = $url;
-        $this->urlDescription = $urlDescription;
-        $this->delay = $delay;
-        $this->workType = $workType;
-        $this->eventType = $eventType;
-        $this->eventName = $eventName;
-        $this->addition = $addition;
-        $this->status = $status;
-        $this->roadAuthority = $roadAuthority;
-        $this->location = $location;
-        $this->periods = $periods;
-        $this->createdAt = $createdAt;
-        $this->createdBy = $createdBy;
-        $this->lastChangedAt = $lastChangedAt;
-        $this->lastChangedBy = $lastChangedBy;
-        $this->attachments = $attachments;
-        $this->restrictions = $restrictions;
-        $this->detours = $detours;
     }
 }
diff --git a/src/Models/VehicleInformation.php b/src/Models/VehicleInformation.php
index 14a819b..a6e58bd 100644
--- a/src/Models/VehicleInformation.php
+++ b/src/Models/VehicleInformation.php
@@ -6,13 +6,9 @@
 
 class VehicleInformation
 {
-    public ?float $heightCharacteristic;
-
-    public ?float $lengthCharacteristic;
-
-    public function __construct(?float $heightCharacteristic, ?float $lengthCharacteristic)
-    {
-        $this->heightCharacteristic = $heightCharacteristic;
-        $this->lengthCharacteristic = $lengthCharacteristic;
+    public function __construct(
+        public ?float $heightCharacteristic,
+        public ?float $lengthCharacteristic
+    ) {
     }
 }
diff --git a/src/Models/Week.php b/src/Models/Week.php
index 80c1cb4..9d2ac06 100644
--- a/src/Models/Week.php
+++ b/src/Models/Week.php
@@ -6,35 +6,14 @@
 
 class Week
 {
-    public bool $monday;
-
-    public bool $tuesday;
-
-    public bool $wednesday;
-
-    public bool $thursday;
-
-    public bool $friday;
-
-    public bool $saturday;
-
-    public bool $sunday;
-
     public function __construct(
-        bool $monday,
-        bool $tuesday,
-        bool $wednesday,
-        bool $thursday,
-        bool $friday,
-        bool $saturday,
-        bool $sunday
+        public bool $monday,
+        public bool $tuesday,
+        public bool $wednesday,
+        public bool $thursday,
+        public bool $friday,
+        public bool $saturday,
+        public bool $sunday
     ) {
-        $this->monday = $monday;
-        $this->tuesday = $tuesday;
-        $this->wednesday = $wednesday;
-        $this->thursday = $thursday;
-        $this->friday = $friday;
-        $this->saturday = $saturday;
-        $this->sunday = $sunday;
     }
 }