diff --git a/.eslintrc.js b/.eslintrc.js
new file mode 100644
index 0000000..812f7cb
--- /dev/null
+++ b/.eslintrc.js
@@ -0,0 +1,48 @@
+module.exports = {
+  'env': {
+    'browser': true,
+    'es2021': true,
+  },
+  'extends': [
+    'google',
+  ],
+  'parser': 'babel-eslint',
+  'parserOptions': {
+    'ecmaVersion': 12,
+    'sourceType': 'module',
+  },
+  'rules': {
+    'indent': ['error', 2],
+    'no-trailing-spaces': 'error',
+    'curly': 'error',
+    'brace-style': 'error',
+    'no-multi-spaces': 'error',
+    'space-infix-ops': 'error',
+    'space-unary-ops': 'error',
+    'no-whitespace-before-property': 'error',
+    'func-call-spacing': 'error',
+    'space-before-blocks': 'error',
+    'keyword-spacing': ['error', {before: true, after: true}],
+    'comma-spacing': ['error', {before: false, after: true}],
+    'comma-style': ['error', 'last'],
+    'comma-dangle': ['error', 'always-multiline'],
+    'space-in-parens': ['error', 'never'],
+    'block-spacing': 'error',
+    'array-bracket-spacing': ['error', 'never'],
+    'object-curly-spacing': ['error', 'always'],
+    'key-spacing': ['error', {mode: 'strict'}],
+    'arrow-spacing': ['error', {before: true, after: true}],
+    'linebreak-style': 'off',
+    'no-proto': 'off',
+    'require-jsdoc': ['error', {
+      'require': {
+        'FunctionDeclaration': false,
+        'MethodDefinition': false,
+        'ClassDeclaration': false,
+        'ArrowFunctionExpression': false,
+        'FunctionExpression': false,
+      },
+    }],
+    'no-invalid-this': 0,
+  },
+};
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..b512c09
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+node_modules
\ No newline at end of file
diff --git a/README.md b/README.md
index 51abd25..e93ecd4 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,161 @@
-# javascript-subway-final
\ No newline at end of file
+# 🚇 지하철 노선도 경로 조회 미션
+- 등록된 지하철 노선도에서 경로를 조회하는 기능을 구현한다.
+
+## 🚀 기능 요구사항
+> 프리코스 3주차 미션에서 사용한 코드를 참고해도 무관하다.
+
+### 초기 설정
+- 프로그램 시작 시 역, 노선, 구간 데이터를 초기 설정 해야 한다.
+- 거리와 소요 시간은 양의 정수이며 단위는 km와 분을 의미한다.
+- 아래의 사전 등록 정보로 반드시 초기 설정을 한다.
+
+```
+1. 지하철역으로 교대, 강남, 역삼, 남부터미널, 양재, 양재시민의숲, 매봉 역 정보가 등록되어 있다.
+2. 지하철 노선으로 2호선, 3호선, 신분당선이 등록되어 있다.
+3. 노선에 역이 아래와 같이 등록되어 있다.(왼쪽 끝이 상행 종점)
+    - 2호선: 교대 - ( 2km / 3분 ) - 강남 - ( 2km / 3분 ) - 역삼
+    - 3호선: 교대 - ( 3km / 2분 ) - 남부터미널 - ( 6km / 5분 ) - 양재 - ( 1km / 1분 ) - 매봉
+    - 신분당선: 강남 - ( 2km / 8분 ) - 양재 - ( 10km / 3분 ) - 양재시민의숲
+```
+
+### 경로 조회 기능
+<img src="/images/path_result.jpg" width="100%">
+
+- 출발역과 도착역을 입력받아 경로를 조회한다.
+- 경로 조회 시 총 거리, 총 소요 시간을 함께 출력한다.
+- 경로 조회 시 `최단 거리` 또는 `최소 시간` 옵션을 선택할  수 있다.
+
+### 예외 처리
+- 출발역과 도착역은 2글자 이상이어야 한다.
+- 존재하지 않는 역을 출발역 또는 도착역으로 입력할 수 없다.
+- 경로 조회 시 출발역과 도착역이 같을 수 없다.
+- 경로 조회 시 출발역과 도착역이 연결되지 않으면 경로를 조회할 수 없다.
+- 그 외 정상적으로 프로그램이 수행되지 않은 경우 `alert`으로 에러를 출력한다.
+
+<br>
+
+## 💻 프로그래밍 실행 결과
+### 경로 조회
+<img src="/images/path_result.gif" width="100%">
+
+
+## ✅ 프로그래밍 요구사항
+### 길찾기 관련 기능
+- 출발역을 입력하는 input 태그는 `departure-station-name-input` id 속성값을 가진다.
+- 도착역을 입력하는 input 태그는 `arrival-station-name-input` id 속성값을 가진다.
+- 최단거리, 최소시간을 선택하는 radio는 `search-type` name 속성값을 가진다.
+  - **radio option의 default 값은 최단거리이다.**
+- 길찾기 버튼은 `search-button` id 속성값을 가진다.
+- 📝 결과는 `table`을 이용하여 보여준다.
+
+## ❗️힌트
+## 데이터 초기화
+자바스크립트에서 데이터를 초기화하는 방법 중에 하나는 아래와 같이 data를 `export`하고, `import`하는 것이다.
+
+```javascript
+export const users = [
+  {
+    name: 'Alt'
+  },
+  {
+    name: 'Jamie'
+  },
+  {
+    name: 'Sony'
+  }
+]
+
+export const courses = [
+  {
+    name: 'frontend',
+  },
+  {
+    name: 'backend',
+  },
+  {
+    name: 'iOS',
+  },
+  {
+    name: 'Android',
+  }
+]
+
+```
+위와 같이 데이터를 `export`하면 아래와 같이 데이터를 `import` 하여 사용할 수 있다.
+```javascript
+import { users, courses } from './data.js'
+
+function App() {
+  this.users = users
+  this.courses = courses
+}
+```
+
+## 최단 경로 라이브러리
+- `utils/Dijkstra.js` 라이브러리를 활용하면 간편하게 최단거리를 조회할 수 있다.
+- 정점(Vertex)과 간선(Edge), 그리고 가중치 개념을 이용
+  - 정점: 지하철역
+  - 간선: 지하철역 연결정보
+  - 가중치: 거리 or 소요 시간
+- 최단 거리 기준 조회 시 가중치를 거리로 설정
+- 최소 시간 기준 조회 시 가중치를 시간으로 설정
+
+```javascript
+import Dijkstra from "./utils/Dijkstra.js";
+const dijkstra = new Dijkstra()
+
+//dijkstra.addEdge("출발역", "도착역", 거리 또는 시간);
+dijkstra.addEdge("V1", "V2", 2);
+dijkstra.addEdge("V2", "V3", 2);
+dijkstra.addEdge("V1", "V3", 100);
+
+const result = dijkstra.findShortestPath("V1", "V3");
+// result = ["V1", "V2", "V3"] 
+```
+
+#### 테스트설명
+<img src="/images/dijkstra_example.png" width="400">
+
+- 역 사이의 거리를 고려하지 않는 경우 V1->V3 경로가 최단 경로
+- 역 사이의 거리를 고려할 경우 V1->V3 경로의 거리는 100km, V1->V2->V3 경로의 거리는 4km이므로 최단 경로는 V1->V2->V3
+
+<br>
+
+### 요구사항
+- 사용자가 잘못된 입력 값을 작성한 경우 `alert`을 이용해 메시지를 보여주고, 재입력할 수 있게 한다.
+- 외부 라이브러리(jQuery, Lodash 등)를 사용하지 않고, 순수 Vanilla JS로만 구현한다.
+- **자바스크립트 코드 컨벤션을 지키면서 프로그래밍** 한다
+  - [https://google.github.io/styleguide/jsguide.html](https://google.github.io/styleguide/jsguide.html)
+  - [https://ui.toast.com/fe-guide/ko_CODING-CONVENSION/](https://ui.toast.com/fe-guide/ko_CODING-CONVENTION)
+- **indent(인덴트, 들여쓰기) depth를 3이 넘지 않도록 구현한다. 2까지만 허용**한다.
+  - 예를 들어 while문 안에 if문이 있으면 들여쓰기는 2이다.
+  - 힌트: indent(인덴트, 들여쓰기) depth를 줄이는 좋은 방법은 함수(또는 메소드)를 분리하면 된다.
+- **함수(또는 메소드)의 길이가 15라인을 넘어가지 않도록 구현한다.**
+  - 함수(또는 메소드)가 한 가지 일만 잘 하도록 구현한다.
+- 변수 선언시 [var](https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Statements/var) 를 사용하지 않는다. [const](https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Statements/const) 와 [let](https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Statements/let) 을 사용한다.
+- [import](https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Statements/import) 문을 이용해 스크립트를 모듈화하고 불러올 수 있게 만든다.
+- [template literal](https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Template_literals)을 이용해 데이터와 html string을 가독성 좋게 표현한다.
+
+<br/>
+
+## 📝 미션 저장소 및 진행 요구사항
+
+- 미션은 [https://github.com/woowacourse/javascript-subway-path-precourse](https://github.com/woowacourse/javascript-subway-path-precourse) 저장소를 fork/clone해 시작한다.
+- **기능을 구현하기 전에 javascript-subway-path-precourse/docs/README.md 파일에 구현할 기능 목록**을 정리해 추가한다.
+- **git의 commit 단위는 앞 단계에서 README.md 파일에 정리한 기능 목록 단위로 추가**한다.
+- [프리코스 과제 제출](https://github.com/woowacourse/woowacourse-docs/tree/master/precourse) 문서 절차를 따라 미션을 제출한다.
+
+## 구현 목록
+- [X] 지하철 길찾기 제목을 보여준다.
+- [X] 출발역과 도착역을 입력할 수 있는 화면을 보여준다.
+  - [X] 출발역과 도착역은 2글자 이상이어야 한다.
+  - [X] 존재하지 않는 역을 입력할 수 없다.
+  - [X] 출발역과 도착역이 같을 수 없다.
+- [X] 최단거리, 최소시간 옵션을 선택할 수 있다.
+  - [X] 기본값을 최단거리로 설정한다.
+- [X] 길찾기 버튼을 누를 수 있다.
+- [X] 결과 화면의 title을 최단거리, 최소시간 선택에 따라 다르게 볼 수 있다.
+- [X] 결과는 테이블 형태로 보여준다.
+  - [X] 재사용 가능한 테이블 컴포넌트를 만든다.
+  - [X] 결과 테이블의 테이블 header를 화면에서 볼 수 있다.
+  - [X] 결과값을 테이블의 body에서 볼 수 있다.
\ No newline at end of file
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new file mode 100644
index 0000000..7c75197
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diff --git a/images/path_result.gif b/images/path_result.gif
new file mode 100644
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diff --git a/images/path_result.jpg b/images/path_result.jpg
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diff --git a/index.html b/index.html
new file mode 100644
index 0000000..8d07c5f
--- /dev/null
+++ b/index.html
@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>지하철 길찾기</title>
+    <link rel="stylesheet" href="./styles.css" />
+</head>
+<body>
+<div id="app"></div>
+<script type="module" src="src/index.js"></script>
+</body>
+</html>
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..032c3ec
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,1084 @@
+{
+  "name": "javascript-subway-path-precourse",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
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+      "dev": true,
+      "requires": {
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+      }
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+    },
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+      "dev": true
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+    "yallist": {
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+      "dev": true
+    }
+  }
+}
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..ac81bdc
--- /dev/null
+++ b/package.json
@@ -0,0 +1,25 @@
+{
+  "name": "javascript-subway-path-precourse",
+  "version": "1.0.0",
+  "description": "우아한 테크 코스 최종 미션",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/Kwakcena/javascript-subway-path-precourse.git"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "bugs": {
+    "url": "https://github.com/Kwakcena/javascript-subway-path-precourse/issues"
+  },
+  "homepage": "https://github.com/Kwakcena/javascript-subway-path-precourse#readme",
+  "devDependencies": {
+    "babel-eslint": "^10.1.0",
+    "eslint": "^7.16.0",
+    "eslint-config-google": "^0.14.0"
+  }
+}
diff --git a/src/App.js b/src/App.js
new file mode 100644
index 0000000..96f899e
--- /dev/null
+++ b/src/App.js
@@ -0,0 +1,172 @@
+import * as Data from './Data.js';
+import { 
+  NAME_INCLUDE_EMPTY_ERROR,
+  NAME_LESS_THEN_TWO_ERROR,
+  NAME_NOT_EQUAL_ERROR,
+  NAME_NOT_EXIST_ERROR,
+} from './constants/ErrorConstants.js';
+import getDistanceAndTime from './utils/getWeight.js';
+import Result from './Result.js';
+
+export default class App {
+  initialState = {
+    searchType: '최단거리',
+    shortestPath: [],
+    totalDistance: '',
+    totalTime: '',
+  }
+
+  constructor(target) {
+    this.target = target;
+    this.state = this.initialState;
+    this.fetchData();
+
+    this.createHeader(target);
+    this.createStationInput(target);
+    this.createRadioButton(target);
+    this.createSearchButton(target);
+
+    this.resultContainer = this.createContainer(target, 'result');
+  }
+
+  createContainer(target, className = '') {
+    const container = document.createElement('div');
+    if(className) {
+      container.className = className
+    }
+    target.appendChild(container);
+    return container;
+  }
+
+  fetchData() {
+    this.shortestDistanceDijkstra = Data.fetchShortestDistanceDijkstra();
+    this.shortestTimeDijkstra = Data.fetchShortestTimeDijkstra();
+  }
+
+  createHeader(target) {
+    const header = document.createElement('header');
+    header.innerHTML = `<h1>🚇 지하철 길찾기</h1>`;
+    target.appendChild(header);
+  }
+
+  createStationInput(target) {
+    const container = this.createContainer(target, 'station-input');
+    container.innerHTML = `
+      <div class="departure-station">
+        <label for="departure">출발역</label>
+        <input
+          type="text"
+          name="departure"
+          id="departure-station-name-input"
+        />
+      </div>
+      <div class="arrival-station">
+        <label for="arrival">도착역</label>
+        <input
+          type="text"
+          name="arrival"
+          id="arrival-station-name-input"
+        />
+      </div>
+    `;
+  }
+
+  createRadioButton(target) {
+    const container = this.createContainer(target, 'radio-button');
+    container.innerHTML = `
+      <label>
+        <input
+          type="radio"
+          name="search-type"
+          value="최단거리"
+          checked
+        /> 최단거리
+      </label>
+      <label>
+        <input 
+          type="radio"
+          name="search-type"
+          value="최소시간"
+        /> 최소시간
+      </label>
+    `;
+  }
+
+  createSearchButton(target) {
+    const { setState, createContainer } = this;
+    const container = createContainer(target, 'search');
+    container.innerHTML = `<button id="search-button">길찾기</button>`;
+
+    const addButton = document.querySelector('#search-button');
+    addButton.addEventListener('click', setState.bind(this));
+  }
+
+  isLessThenTwo(name) {
+    return name.length >= 2;
+  }
+
+  isIncludeStation(name) {
+    return Data.stations.includes(name);
+  }
+
+  isIncludeSpace(name) {
+    return /\s/g.test(name);
+  }
+
+  isEqual(startStation, endStation) {
+    return startStation === endStation;
+  }
+
+  isPossible(startStation, endStation) {
+    const { isIncludeSpace, isLessThenTwo, isIncludeStation, isEqual } = this;
+    if(isIncludeSpace(startStation) || isIncludeSpace(endStation)) {
+      return alert(NAME_INCLUDE_EMPTY_ERROR);
+    }
+    if(!isLessThenTwo(startStation) || !isLessThenTwo(endStation)) {
+      return alert(NAME_LESS_THEN_TWO_ERROR);
+    }
+    if(isEqual(startStation, endStation)) {
+      return alert(NAME_NOT_EQUAL_ERROR);
+    }
+    if(!isIncludeStation(startStation) || !isIncludeStation(endStation)) {
+      return alert(NAME_NOT_EXIST_ERROR);
+    }
+    return true;
+  }
+
+  getShortestPath(searchType, startStation, endStation) {
+    let shortestPath;
+    if(searchType === '최단거리') {
+      shortestPath = this.shortestDistanceDijkstra.findShortestPath(startStation, endStation);
+    }
+    else {
+      shortestPath = this.shortestTimeDijkstra.findShortestPath(startStation, endStation);
+    }
+    return shortestPath;
+  }
+
+  setState() {
+    const startStation = document.querySelector('#departure-station-name-input').value;
+    const endStation = document.querySelector('#arrival-station-name-input').value;
+    const searchType = document.querySelector('input[name="search-type"]:checked').value;
+    if(!this.isPossible(startStation, endStation)) {
+      return;
+    }
+    const shortestPath = this.getShortestPath(searchType, startStation, endStation);
+    const { totalDistance, totalTime } = getDistanceAndTime(shortestPath);
+    this.state = { searchType, shortestPath, totalDistance, totalTime }
+    this.renderResult();
+  }
+
+  renderResult() {
+    const { searchType, shortestPath, totalDistance, totalTime } = this.state;
+    this.resultContainer.innerHTML = ``;
+
+    return new Result(this.resultContainer, {
+      searchType,
+      shortestPath,
+      totalDistance,
+      totalTime,
+    })
+  }
+}
\ No newline at end of file
diff --git a/src/Data.js b/src/Data.js
new file mode 100644
index 0000000..953e109
--- /dev/null
+++ b/src/Data.js
@@ -0,0 +1,40 @@
+import Dijkstra from './utils/Dijkstra.js';
+
+export const stations = ['교대', '강남', '역삼', '남부터미널', '양재', '양재시민의숲', '매봉'];
+export const sections = [
+  { start: '교대', end: '강남', distance: 2, time: 3 },
+  { start: '강남', end: '역삼', distance: 2, time: 3 },
+  { start: '교대', end: '남부터미널', distance: 3, time: 2 },
+  { start: '남부터미널', end: '양재', distance: 6, time: 5 },
+  { start: '양재', end: '매봉', distance: 1, time: 1 },
+  { start: '강남', end: '양재', distance: 2, time: 8 },
+  { start: '양재', end: '양재시민의숲', distance: 10, time: 3 },
+]
+
+export function fetchShortestDistanceDijkstra() {
+  const dijkstra = new Dijkstra();
+
+  dijkstra.addEdge('교대', '강남', 2);
+  dijkstra.addEdge('강남', '역삼', 2);
+  dijkstra.addEdge('교대', '남부터미널', 3);
+  dijkstra.addEdge('남부터미널', '양재', 6);
+  dijkstra.addEdge('양재', '매봉', 1);
+  dijkstra.addEdge('강남', '양재', 2);
+  dijkstra.addEdge('양재', '양재시민의숲', 10);
+
+  return dijkstra;
+}
+
+export function fetchShortestTimeDijkstra() {
+  const dijkstra = new Dijkstra();
+
+  dijkstra.addEdge('교대', '강남', 3);
+  dijkstra.addEdge('강남', '역삼', 3);
+  dijkstra.addEdge('교대', '남부터미널', 2);
+  dijkstra.addEdge('남부터미널', '양재', 5);
+  dijkstra.addEdge('양재', '매봉', 1);
+  dijkstra.addEdge('강남', '양재', 8);
+  dijkstra.addEdge('양재', '양재시민의숲', 3);
+
+  return dijkstra;
+}
\ No newline at end of file
diff --git a/src/Result.js b/src/Result.js
new file mode 100644
index 0000000..a33df60
--- /dev/null
+++ b/src/Result.js
@@ -0,0 +1,50 @@
+import Table from './Table.js';
+
+export default class Result {
+  constructor(target, props) {
+    this.target = target;
+    this.props = props;
+    this.createHeader(target);
+    this.createSubTitle(target);
+    this.createResultTable(target);
+    this.render();
+  }
+
+  createHeader(target) {
+    const h2 = document.createElement('h2');
+    target.appendChild(h2);
+    h2.innerHTML = `📝 결과`;
+  }
+  
+  createSubTitle(target) {
+    const { searchType } = this.props;
+    const h3 = document.createElement('h3');
+    h3.innerHTML = `${searchType}`
+    target.appendChild(h3);
+  }
+
+  createResultTable(target) {
+    const headers = ['총 거리', '총 소요시간'];
+    this.resultTable = new Table({ target });
+    this.resultTable.createTableHeader(headers);
+  }
+
+  render() {
+    const { shortestPath, totalDistance, totalTime } = this.props;
+    const path = shortestPath.join(' -> ')
+    const renderer = `
+      <tr>
+        <td data-total-distance=${totalDistance}>${totalDistance}km</td>
+        <td data-total-time=${totalTime}>${totalTime}분</td>
+      </tr>
+      <tr>
+        <td colspan="2">${path}</td>
+      </tr>
+    `;
+
+    this.resultTable.renderTable({
+      data: shortestPath,
+      renderer,
+    })
+  }
+}
\ No newline at end of file
diff --git a/src/Table.js b/src/Table.js
new file mode 100644
index 0000000..f46d16f
--- /dev/null
+++ b/src/Table.js
@@ -0,0 +1,31 @@
+export default class Table {
+  constructor({ target }) {
+    this.target = target;
+
+    this.table = document.createElement('table');
+    this.thead = document.createElement('thead');
+    this.tbody = document.createElement('tbody');
+
+    target.appendChild(this.table);
+    this.table.appendChild(this.thead);
+    this.table.appendChild(this.tbody);
+  }
+
+  createTableHeader(headers) {
+    this.thead.innerHTML = `
+      <tr>
+        ${headers.map((header, index) => `
+          <th data-index="${index}">${header}</th>
+        `).join('')}
+      </tr>
+    `;
+  }
+
+  renderTable({ data, renderer }) {
+    if (data.length === 0) {
+      this.tbody.innerHTML = '';
+      return;
+    }
+    this.tbody.innerHTML = renderer;
+  }
+}
\ No newline at end of file
diff --git a/src/constants/ErrorConstants.js b/src/constants/ErrorConstants.js
new file mode 100644
index 0000000..bb64353
--- /dev/null
+++ b/src/constants/ErrorConstants.js
@@ -0,0 +1,4 @@
+export const NAME_INCLUDE_EMPTY_ERROR = '역 이름에 공백이 포함되어 있습니다. 다시 입력해주세요';
+export const NAME_LESS_THEN_TWO_ERROR = '출발역과 도착역의 이름은 최소 두글자 이상이어야 합니다.';
+export const NAME_NOT_EQUAL_ERROR = '출발역과 도착역의 이름이 같을 순 없습니다.';
+export const NAME_NOT_EXIST_ERROR = '존재하지 않은 역이 입력되었습니다. 다시 확인해주세요.';
\ No newline at end of file
diff --git a/src/index.js b/src/index.js
new file mode 100644
index 0000000..aa3a1cf
--- /dev/null
+++ b/src/index.js
@@ -0,0 +1,3 @@
+import App from './App.js';
+
+new App(document.querySelector('#app'));
\ No newline at end of file
diff --git a/src/utils/Dijkstra.js b/src/utils/Dijkstra.js
new file mode 100644
index 0000000..7c6cfd5
--- /dev/null
+++ b/src/utils/Dijkstra.js
@@ -0,0 +1,220 @@
+export default function Dijkstra() {
+  const Node = {
+    init: function (val, priority) {
+      this.val = val;
+      this.priority = priority;
+    },
+  };
+
+  const PriorityQueue = {
+    init: function () {
+      this.values = [];
+    },
+    enqueue: function (val, priority) {
+      const newNode = Object.create(Node);
+      newNode.init(val, priority);
+
+      this.values.push(newNode);
+
+      let idxOfNewNode = this.values.length - 1;
+
+      while (idxOfNewNode > 0) {
+        const idxOfParentNode = Math.floor((idxOfNewNode - 1) / 2);
+
+        const parentNode = this.values[idxOfParentNode];
+
+        if (priority < parentNode.priority) {
+          this.values[idxOfParentNode] = newNode;
+          this.values[idxOfNewNode] = parentNode;
+          idxOfNewNode = idxOfParentNode;
+          continue;
+        }
+        break;
+      }
+      return this.values;
+    },
+    dequeue: function () {
+      if (this.values.length == 0) {
+        return;
+      }
+      const dequeued = this.values.shift();
+      const lastItem = this.values.pop();
+      if (!lastItem) {
+        return dequeued;
+      }
+      this.values.unshift(lastItem);
+
+      let idxOfTarget = 0;
+
+      while (true) {
+        let idxOfLeftChild = idxOfTarget * 2 + 1;
+        let idxOfRightChild = idxOfTarget * 2 + 2;
+        let leftChild = this.values[idxOfLeftChild];
+        let rightChild = this.values[idxOfRightChild];
+
+        function swap(direction) {
+          const idxOfChild =
+            direction == "left" ? idxOfLeftChild : idxOfRightChild;
+          const child = direction == "left" ? leftChild : rightChild;
+          this.values[idxOfChild] = this.values[idxOfTarget];
+          this.values[idxOfTarget] = child;
+          idxOfTarget = idxOfChild;
+        }
+
+        if (!leftChild) {
+          return dequeued;
+        }
+
+        if (!rightChild) {
+          if (leftChild.priority < lastItem.priority) {
+            swap.call(this, "left");
+            continue;
+          }
+          return dequeued;
+        }
+
+        if (leftChild.priority == rightChild.priority) {
+          swap.call(this, "left");
+          continue;
+        }
+
+        if (
+          leftChild.priority < rightChild.priority &&
+          leftChild.priority < lastItem.priority
+        ) {
+          swap.call(this, "left");
+          continue;
+        }
+
+        if (
+          rightChild.priority < leftChild.priority &&
+          rightChild.priority < lastItem.priority
+        ) {
+          swap.call(this, "right");
+          continue;
+        }
+      }
+    },
+  };
+
+  const WeightedGraph = {
+    init: function () {
+      this.adjacencyList = {};
+      this.length = 0;
+    },
+    addVertex: function (vertex) {
+      if (!this.adjacencyList.hasOwnProperty(vertex)) {
+        this.adjacencyList[vertex] = {};
+        this.length++;
+      }
+    },
+    addEdge: function (vertex1, vertex2, weight) {
+      this.addVertex(vertex1);
+      this.addVertex(vertex2);
+      this.adjacencyList[vertex1][vertex2] = weight;
+      this.adjacencyList[vertex2][vertex1] = weight;
+      return this.adjacencyList;
+    },
+    removeEdge: function (vertex1, vertex2) {
+      if (!this.adjacencyList.hasOwnProperty(vertex1)) {
+        return `There's no ${vertex1}`;
+      }
+      if (!this.adjacencyList.hasOwnProperty(vertex2)) {
+        return `There's no ${vertex2}`;
+      }
+
+      function removeHelper(v1, v2) {
+        if (!this.adjacencyList.hasOwnProperty(v1)) {
+          return `There's no edge between ${v1} and ${v2}`;
+        }
+        delete this.adjacencyList[v1][v2];
+        if (Object.keys(this.adjacencyList[v1]).length == 0) {
+          delete this.adjacencyList[v1];
+        }
+      }
+
+      removeHelper.call(this, vertex1, vertex2);
+      removeHelper.call(this, vertex2, vertex1);
+
+      return this.adjacencyList;
+    },
+    removeVertex: function (vertex) {
+      if (!this.adjacencyList.hasOwnProperty(vertex)) {
+        return `There's no ${vertex}`;
+      }
+      const edges = this.adjacencyList[vertex];
+      for (const key in edges) {
+        this.removeEdge(key, vertex);
+      }
+      return this.adjacencyList;
+    },
+    findShortestRoute: function (start, end) {
+      if (!start || !end) {
+        throw Error("출발지와 도착지를 모두 입력해야 합니다.");
+      }
+      const distance = {};
+      const previous = {};
+      const pq = Object.create(PriorityQueue);
+      pq.init();
+      pq.enqueue(start, 0);
+      const visited = {};
+
+      const hashOfVertex = this.adjacencyList;
+      for (const vertexName in hashOfVertex) {
+        const priority = vertexName == start ? 0 : Infinity;
+        distance[vertexName] = priority;
+        previous[vertexName] = null;
+      }
+
+      while (true) {
+        let current = pq.dequeue();
+        if (!current?.val) {
+          return;
+        }
+        current = current.val;
+        if (current == end) {
+          break;
+        }
+        const neighbors = hashOfVertex[current];
+
+        for (const vertexName in neighbors) {
+          if (visited.hasOwnProperty(vertexName)) {
+            continue;
+          }
+          const distFromStart = distance[current] + neighbors[vertexName];
+
+          if (distFromStart < distance[vertexName]) {
+            pq.enqueue(vertexName, distFromStart);
+            distance[vertexName] = distFromStart;
+            previous[vertexName] = current;
+          }
+        }
+        visited[current] = true;
+      }
+
+      let node = end;
+
+      const route = [];
+      while (node) {
+        route.unshift(node);
+        node = previous[node];
+      }
+
+      return route;
+    },
+  };
+
+  this.addEdge = (source, target, weight) => {
+    WeightedGraph.addEdge(source, target, weight);
+  };
+
+  this.findShortestPath = (source, target) => {
+    return WeightedGraph.findShortestRoute(source, target);
+  };
+
+  this.addVertex = (vertex) => {
+    WeightedGraph.addVertex(vertex);
+  };
+
+  WeightedGraph.init();
+}
diff --git a/src/utils/getWeight.js b/src/utils/getWeight.js
new file mode 100644
index 0000000..3e13cd4
--- /dev/null
+++ b/src/utils/getWeight.js
@@ -0,0 +1,22 @@
+import { sections } from '../Data.js';
+
+export default function getDistanceAndTime(path) {
+  const distanceAndTime = {
+    totalDistance: 0,
+    totalTime: 0,
+  }
+
+  for(let i = 0; i < path.length - 1; i += 1) {
+    const startStation = path[i];
+    const endStation = path[i + 1];
+    const findValue = sections.find(({ start, end }) => {
+      return (start === startStation && end === endStation) ||
+        (start === endStation && end === startStation );
+    })
+
+    distanceAndTime.totalDistance += findValue.distance;
+    distanceAndTime.totalTime += findValue.time;
+  }
+
+  return distanceAndTime;
+}
\ No newline at end of file
diff --git a/styles.css b/styles.css
new file mode 100644
index 0000000..30ba044
--- /dev/null
+++ b/styles.css
@@ -0,0 +1,23 @@
+table {
+  border: 1px solid black;
+}
+
+th,
+td {
+  border: 1px solid black;
+}
+
+td {
+  text-align: center;
+}
+
+.departure-station,
+.arrival-station {
+  margin: 8px 0;
+}
+
+.station-input,
+.radio-button,
+.search {
+  margin: 16px 0;
+}
\ No newline at end of file