CarKoy National Smart City Platform

Executive Summary

End-to-End Smart Mobility for Bangladesh

CarKoy is a production-ready national platform integrating ANPR enforcement, e-challan, smart parking, citizen services, and ministry command center.

8Smart City Phases

15Enforcement Cameras

213+Automated Tests

12User Roles

190+API Endpoints

95%Platform Complete

Challenge

National Traffic Challenges

Manual Enforcement Gaps

Paper challans — slow, corruptible, no audit trail
No real-time BRTA validation at violation point
Blacklist vehicles move undetected across cities

Citizen & Revenue Loss

Parking revenue leakage without digital metering
Emergency lane blockages delay ambulances
VIP zone breaches without automated alerts

Solution

CarKoy Integrated Platform

1. AI Camera Capture2. BRTA Validation3. E-Challan + PDF4. SMS + bKash/Nagad

Smart Parking

267 slots, hourly billing, overstay fines

ANPR Enforcement

14 violation types, 10 geofence zones

Command Center

5 cities, live wallboard, edge sync

Architecture

Technical Architecture

Layer	Technology
Frontend	EJS Admin Panels · Role Portals · Flutter Mobile App (27 screens)
API	Express.js REST · OpenAPI docs · Socket.io real-time · JWT + Session auth
AI/ANPR	Python FastAPI engine · EasyOCR · BN/EN plates · RTSP/ffmpeg 24/7 ingest
Database	MySQL + Prisma ORM (cPanel production) · JSON fallback for demo
Integrations	BRTA API · bKash · Nagad · SSLCommerz · SMS · Govt/National Security webhooks
Infrastructure	Node.js server · GPU optional for ANPR · HTTPS · Cron jobs · Edge gateways

Sector 01

Smart Parking Management

What It Does

Digital booking across 15 areas, 9 locations (267 slots)
Hourly rates BDT 15–40, overstay fines BDT 400–800
Map view, session lifecycle, SMS notifications

Implementation

Deploy sensors/cameras per lot
Configure rates in admin panel
Enable payment gateway + SMS
Train zone operators

Sector 02

ANPR & AI Enforcement

Services

15 enforcement cameras (Dhaka + Chittagong)
RTSP 24/7 continuous ingest via ffmpeg
14 violation types: parking, overspeed, blacklist, geofence
Bangladesh plate OCR (Bengali + English)

How It Works

Camera RTSP stream → Python ANPR engine (port 8090) → plate normalization → rule engine → violation record → challan pipeline. Admin: Traffic Ops → Simulate ANPR for testing.

Sector 03

E-Challan & Digital Payments

Violation	Fine (BDT)
Illegal Parking	500
Overspeed	1,000
Secure Geo-Fence Breach	5,000
Blacklist / Wanted	5,000
Emergency Lane Block	1,500
Expired Fitness/Tax	500–800

Payment: bKash · Nagad · SSLCommerz · PDF challan auto-generated · Citizen portal /challan/pay/:id

Sector 04

Ministry Dashboard

Portal & Access

Dedicated portal: /portal/ministry · Login: ministry@carkoy.com · Panel: /admin/ministry-road-management

Capabilities

Smart City KPIs, ANPR monitoring, national registry
Audit reports, 30-day analytics, parking oversight
Permissions: dashboard, parking, smartcity, enforcement, reports

Sector 05

Traffic Police (DMTP) Operations

Portal: /portal/traffic · Panel: /admin/traffic-ops (15 tabs)

Live Ops

Real-time map + violation queue

Enforcement Workflow

4-step live pipeline monitor

Blacklist

National wanted vehicle sync

Sergeant Compliance

Tax, fitness, route permit checks

Police Alerts

Dispatch log + SLA escalation

Simulate ANPR

Test plate scans in lab

Sector 06

Highway Police Module

Scope

Highway cameras: CAM-HWY-01, CAM-HWY-02
Speed enforcement on highways (15 FPS target)
Portal: /portal/highway

Implementation

Install radar + ANPR at toll plazas
Configure highway process interval (2s)
Link to national blacklist database

Sector 07

Zone Operator — 5 Zones

Gulshan · Motijheel · Uttara · Dhanmondi · Kakrail — Portal: /portal/operator

Zone Dashboard

Per-zone violation queue and camera feeds
Smart parking session management
Secure geo-fence monitoring (VIP corridors)

Secure Zones (5)

VIP whitelist: DHAKA VIP CONVOY 01, ESCORT 02
Intruder alert: BDT 5,000 fine + police dispatch
Cameras: CAM-SECURE-GULSHAN, UTTARA, DHANMONDI, KAKRAIL, MOTIJHEEL

Sector 08

National Command Center

Multi-City Operations

Cities: Dhaka, Chittagong, Sylhet, Khulna, Rajshahi · Panel: /admin/command-center

Control room wallboard with SLA tracking
Vehicle tracking by plate across cameras

Edge & Security

Edge gateway push/sync per city
National security webhook integration
Emergency: ambulance, fire, traffic booth webhooks

Sector 09

Citizen Services & Benefits

Anti-Theft App Lock

Vehicle lock via app → movement/engine alert → police notify (test: 5/5)

Emergency Lane

Ambulance corridor monitoring + auto tow dispatch (test: 4/4)

Evidence Portal

Citizens view violation evidence, pay challans (test: 5/5)

Portal: /portal/citizen · /my-challans · NID login: /portal/nid · Flutter app: 27 screens

Sector 10

Government Integrations

Integration	Status
BRTA API	Env-ready
bKash / Nagad	Sandbox + Live paths
SMS Gateway	Webhook relay configured
National Blacklist	30-min auto sync
Govt Webhook	Env-ready
National Security	Env-ready

Admin config: /admin/integrations · Production keys via .env.production.template

Sector 11

Flutter Mobile Application

Citizen Features

Login/Register, NID auth, JWT API
My Challans, pay bKash/Nagad, evidence view
Parking book/map, wallet, QR scanner
Vehicle anti-theft lock, citizen services

Field Officer

Violation reporting, offline cache sync
Push notifications (FCM stub)
Build: npm run dev:flutter → APK/IPA

Core Workflow

4-Step Enforcement Pipeline

Step 1: AI Capture — Camera captures plate via ANPR engine (POST /api/v1/smartcity/anpr/scan)Step 2: BRTA Validation — complianceCheckService + brtaService verify registration, tax, fitnessStep 3: E-Challan — Digital fine issued with PDF (challanService.issueChallanForViolation)Step 4: Direct Alert — SMS to owner + bKash/Nagad payment URL (ownerNotifyService)

Monitor live: /admin/traffic-ops → Enforcement Workflow tab · API: /api/v1/smartcity/enforcement/workflow

Access Control

12 User Roles & 8 Portals

Role	Portal	Panel
Super Admin	/admin/login	Full access
Ministry	/portal/ministry	Smart City + Reports
Traffic Police	/portal/traffic	Traffic Ops (15 tabs)
Highway Police	/portal/highway	Highway enforcement
Zone Operator	/portal/operator	5-zone dashboard
Sales / Marketing	/portal/sales	Customers + Registrations
Citizen / NID	/portal/citizen	Dashboard + Challans
API Token	—	/api/v1/docs

Hub: http://localhost:30900/portals · Wrong-role login blocked per portal

Roadmap

8 Smart City Phases (Implemented)

Phase	Module	Tests
1	Enforcement Core	12/12
2	Vision + IoT	13
3	E-Challan + BRTA	11
4	Command Center	14
5	Police + Payments	13
6	Ops Hub (ANPR/RTSP)	15
7	Field Ops + Live Stream	17
8	Vision AI + Revenue	13

Implementation Plan

12-Month Rollout Timeline

Phase	Duration	Activities
Pilot	M1–M3	Dhaka 5 zones, 15 cameras, BRTA/SMS/payment go-live
City Scale	M4–M6	500 cameras Dhaka, PostgreSQL migration, training
Multi-City	M7–M9	Chittagong, Sylhet rollout, command center NOC
National	M10–M12	Khulna, Rajshahi, national blacklist, ministry audit

Deploy: prisma:deploy → migrate:json-to-db → seed:users → test:production-readiness

Revenue Model

How Government Generates Income

CarKoy creates 6 automated revenue streams — all digital, auditable, deposited to government treasury via bKash/Nagad/SSLCommerz.

ANPR Detects ViolationE-Challan Auto-IssuedSMS + Payment LinkbKash/Nagad → Govt Account

1. E-Challan Fines

14 violation types · ৳500–5,000 per fine · 58–67% digital collection

2. Smart Parking

Hourly fees ৳15–40 + overstay fines ৳400–800

3. QR Registration

৳250/sticker · 100% government revenue

4. Membership

Basic ৳1,500 · Standard ৳2,500 · Premium ৳4,000/yr

5. BRTA Compliance

Auto-fine expired tax, fitness, route permit

6. Highway Enforcement

Overspeed, blacklist, secure geo-fence ৳5,000

Monthly Revenue

Monthly Government Revenue Breakdown

Pilot — Dhaka 5 Zones

E-Challan Traffic Fines৳17,78,000

Smart Parking Fees৳1,96,000

Parking Overstay Fines৳1,17,000

QR Vehicle Sticker Registration৳1,12,500

Citizen Membership Plans৳2,40,000

BRTA Compliance Fines৳63,000

Revenue Stream	Monthly (BDT)	How Generated
E-Challan Traffic Fines	৳17,78,000	120 violations/day × ৳850 avg × 58% digital collection via bKash/Nagad
Smart Parking Fees	৳1,96,000	267 slots × 35% occupancy × 2.5 hrs × ৳28/hr
Parking Overstay Fines	৳1,17,000	180 cases/month × ৳650 avg
QR Vehicle Sticker Registration	৳1,12,500	450 new vehicles/month × ৳250 (100% govt revenue)
Citizen Membership Plans	৳2,40,000	120 members/month × ৳2,000 avg (Basic/Standard/Premium)
BRTA Compliance Fines	৳63,000	Tax/fitness/route permit violations × ৳500–800
TOTAL MONTHLY REVENUE	৳25,06,500

Yearly Revenue

Annual Revenue & 5-Year Projection

৳25.07 LMonthly Revenue

৳3.01 CrYear 1 Revenue

৳1.37 CrYear 1 Total Cost

+৳1.64 CrYear 1 Net Profit

5-Year Financial Projection (8% annual growth)

Year	Revenue	Cost	Net Profit
Year 1	৳3,00,78,000	৳1,37,00,000	+৳1,63,78,000
Year 2	৳3,24,84,240	৳30,00,000	+৳2,94,84,240
Year 3	৳3,48,90,480	৳30,00,000	+৳3,18,90,480
Year 4	৳3,75,97,500	৳30,00,000	+৳3,45,97,500
Year 5	৳4,06,05,300	৳30,00,000	+৳3,76,05,300
5-Year Cumulative Net			+৳15.00 Cr

Revenue grows 8%/year as cameras and citizen adoption scale. Costs stabilize after Year 1 setup.

Financial Summary

Cost vs Revenue — Net Government Profit

৳25,06,500Monthly Revenue

৳2,50,000Monthly Cost

৳3,00,78,000Yearly Revenue

+৳1.64 CrYear 1 Net

Revenue vs Cost Chart

Monthly Revenue

Monthly Ops Cost

Setup (One-time)

Item	Amount (BDT)
One-time Setup	৳1,07,00,000
AMC (Annual)	৳12,00,000
Operations (Monthly×12)	৳18,00,000
Total Year 1 Cost	৳1,37,00,000
Total Year 1 Revenue	৳3,00,78,000
Year 1 Net Profit	+৳1,63,78,000
ROI (Year 1)	120%
Payback Period	5 months

Investment Cost

Setup & Investment Cost (BDT)

Item	Qty	Cost (BDT)
CarKoy Platform License (1 yr)	1	25,00,000
ANPR Cameras + Installation	15	45,00,000
Server + GPU + Network	1	18,00,000
BRTA/bKash/SMS Integration	1	8,00,000
Training & Change Management	50 staff	5,00,000
Mobile App Deployment	1	6,00,000
Pilot Total (Dhaka 5 Zones)		1,07,00,000

Item	Qty	Cost (BDT)
Platform License (city-wide)	1	80,00,000
ANPR Cameras + Radar	500	15,00,00,000
Data Center + Redundancy	1	1,20,00,000
NOC Command Center Setup	1	45,00,000
Integration + Compliance	1	25,00,000
Staff Training (500 officers)	1	30,00,000
City Total (Dhaka Full)		18,00,00,000

Item	Qty	Cost (BDT)
National Platform License (5 yr)	1	3,50,00,000
Cameras (5 cities, 2000 total)	2000	60,00,00,000
National NOC + Edge Gateways	5	2,50,00,000
BRTA National Integration	1	1,00,00,000
Annual Maintenance (5 yr AMC)	5	5,00,00,000
National Total (5 Cities, 5 Years)		72,00,00,000

* One-time setup + recurring AMC + monthly operations. See Financial Summary slide for cost vs revenue.

Operating Costs

Monthly & Annual Operating Costs

Package	Setup (Once)	AMC/Year	Ops/Month	Total Year 1
Pilot	৳1.07 Cr	৳12 L	৳1.5 L	৳1.25 Cr
City (Dhaka)	৳18 Cr	৳1.8 Cr	৳20 L	৳22.2 Cr
National (5 yr)	৳72 Cr	৳1 Cr/yr	৳85 L	৳83.2 Cr*

* National Year 1 = setup + AMC + 12 months ops. AMC includes 24/7 monitoring, ANPR updates, BRTA/payment maintenance, helpdesk.

Quality Assurance

Test Coverage & Validation

213+Automated Assertions

22Test Suites

6Playwright E2E

Suite	Result
test:enforcement	12/12
test:enforcement-workflow	3/3
test:citizen-benefits	8/8
test:secure-geofence	4/4
test:govt-payments	4/4
test:zone-operator	7/7
test:production-readiness	11/11
test:role-portals	9/9

ROI Impact

Government Financial Benefits & ROI

+৳1.64 CrPilot Year 1 Net

+৳38.6 CrCity Year 1 Net

+৳170 CrNational Year 1 Net

< 5 monthsPayback Period

Revenue Advantages

58–67% fine collection via digital bKash/Nagad (vs ~20% paper)
Zero leakage — every transaction in audit log
24/7 automated enforcement — no manual officer cost per violation
Parking revenue from 267→20,000+ slots at scale

Cost Savings

Reduce manual challan processing by 80%
Single platform replaces 5+ separate systems
National blacklist auto-sync — no duplicate databases
Ministry real-time oversight reduces field inspection cost

Go-Live

Production Deployment Checklist

#	Task	Status
1	bKash/Nagad production keys	Env-ready
2	SMS gateway live	Env-ready
3	BRTA live API	Env-ready
4	National security webhooks	Env-ready
5	5 secure geofence zones	Done
6	MySQL DB migration	Done
7	Flutter citizen app	Done
8	RTSP 24/7 ingest	Configured
9	Password rotation	Script ready
10	Production readiness test	11/11 pass

National Vision

Digital Bangladesh 2026 — CarKoy Role

Technology-driven transparent traffic management — 58–67% digital collection vs ~20% paper challans.

Government Goals

রাজস্ব বৃদ্ধি — bKash/Nagad → ট্রেজারি
ট্রাফিক শৃঙ্খলা — ২৪/৭ ANPR
স্বচ্ছতা — ACC-সম্মত অডিট
নাগরিক সেবা — SMS + অনলাইন পে

Comparative Advantage

বিষয়	কাগজ	CarKoy
সংগ্রহ হার	~২০%	৫৮–৬৭%
প্রক্রিয়াকরণ	৭–১৪ দিন	তাৎক্ষণিক
অডিট	দুর্বল	সম্পূর্ণ লগ
BRTA যাচাই	ম্যানুয়াল	API স্বয়ংক্রিয়

Live Platform

carkoy.com — Current Capabilities

🌐 পোর্টাল হাব

carkoy.com/portals
৮টি রোল পোর্টাল

🏛️ মন্ত্রণালয়

/portal/ministry
/admin/ministry-road-management

🚔 ট্রাফিক পুলিশ

/portal/traffic
/admin/traffic-ops

📍 জোন অপারেটর

/portal/operator
গুলশান · মতিঝিল · উত্তরা

👤 নাগরিক

/portal/citizen · /my-challans
bKash · Nagad পেমেন্ট

📡 API

/api/v1/docs
/api/ok · OpenAPI

FAQ

FAQ for Government Officials

How does revenue reach government?

bKash/Nagad/SSLCommerz পেমেন্ট সরাসরি সরকারি ট্রেজারি অ্যাকাউন্টে — প্রতিটি লেনদেন অডিট লগে। AMC ছাড়া জরিমানা ১০০% সরকারি।

Pilot duration and location?

৩ মাস (M1–M3) — ঢাকায় ৫ জোন: গুলশান, বনানী, মতিঝিল, উত্তরা, কাকরাইল · ১৫ ক্যামেরা।

How is BRTA integrated?

Step 2-এ API — রেজিস্ট্রেশন, ট্যাক্স টোকেন, ফিটনেস, রুট পারমিট যাচাই। Mock ও Live API উভয় সমর্থিত।

Where is data stored?

MySQL (siyamhol_car) cPanel সার্ভারে · ACC-সম্মত অডিট ট্রেইল · জাতীয় ব্ল্যাকলিস্ট ৩০ মিনিট সিঙ্ক।

How fast is ROI?

পাইলট: <৫ মাস পেব্যাক · শহর: ~৬ মাস · জাতীয়: ~৪ মাস — ১ম বছরে নিট লাভ পজিটিভ।

Packages

Packages & Revenue Model

All figures are from the proposed financial model (BDT); final pricing is set at contract stage.

Pilot — Dhaka 5 Zones

Setup cost: ৳1,07,00,000
Annual AMC: ৳12,00,000
Monthly operations: ৳1,50,000
Total monthly: ৳25,06,500

City — Dhaka Full Scale

Setup cost: ৳18,00,00,000
Annual AMC: ৳1,80,00,000
Monthly operations: ৳20,00,000
Total monthly: ৳5,29,50,000

National — 5 Cities

Setup cost: ৳72,00,00,000
Annual AMC: ৳10,00,00,000
Monthly operations: ৳85,00,000
Total monthly: ৳17,85,00,000

Pilot — Dhaka 5 Zones

Revenue stream	Monthly (BDT)	Basis
E-Challan Traffic Fines	৳17,78,000	120 violations/day × ৳850 avg × 58% digital collection via bKash/Nagad
Smart Parking Fees	৳1,96,000	267 slots × 35% occupancy × 2.5 hrs × ৳28/hr
Parking Overstay Fines	৳1,17,000	180 cases/month × ৳650 avg
QR Vehicle Sticker Registration	৳1,12,500	450 new vehicles/month × ৳250 (100% govt revenue)
Citizen Membership Plans	৳2,40,000	120 members/month × ৳2,000 avg (Basic/Standard/Premium)
BRTA Compliance Fines	৳63,000	Tax/fitness/route permit violations × ৳500–800

City — Dhaka Full Scale

Revenue stream	Monthly (BDT)	Basis
E-Challan Traffic Fines	৳3,85,00,000	500 cameras · 2,000 violations/day · ৳720 avg · 65% collection
Smart Parking Revenue	৳45,00,000	5,000 slots across Dhaka · digital hourly billing
Parking & Illegal Parking Fines	৳22,00,000	ANPR-detected illegal parking · ৳500–800 per case
QR Sticker & Registration	৳7,50,000	3,000 vehicles/month × ৳250
Membership & Wallet Services	৳18,00,000	900 members/month · ৳1,500–4,000 tiers
Highway Speed & Toll Violations	৳22,00,000	Highway ANPR radar enforcement
Sergeant Compliance Fines	৳30,00,000	Expired tax, fitness, route permit auto-detection

National — 5 Cities

Revenue stream	Monthly (BDT)	Basis
National E-Challan Fines	৳12,50,00,000	2,000 cameras · 5 cities · avg ৳680 · 67% collection
Multi-City Smart Parking	৳1,80,00,000	20,000+ parking slots · Dhaka, Ctg, Sylhet, Khulna, Rajshahi
Parking & Geofence Fines	৳85,00,000	Secure zones ৳5,000 · restricted ৳1,000
National QR Registration	৳45,00,000	18,000 vehicles/month nationwide
Citizen Services Revenue	৳60,00,000	Membership + wallet + anti-theft premium
Highway & Inter-City Enforcement	৳65,00,000	Highway Police module · overspeed · blacklist
BRTA National Compliance	৳1,00,00,000	Live BRTA API sync · auto-fine on expired docs

Contact & demo

CarKoy Smart City Platform
Demo: https://carkoy.com/portals
API Docs: https://carkoy.com/api/v1/docs
Contact: admin@carkoy.com · Ministry Portal: /portal/ministry

Call+8801637985581 WhatsApp+8801637985581 Emailadmin@carkoy.com

AddressDhaka, Bangladesh

Proposal Version 2.0 · June 2026 · Financial Model Included · Confidential