HOSTracker — Commercial Truck Driver HOS Compliance Platform

Product Overview

HOSTracker is a full-stack Hours of Service (HOS) compliance and fleet management platform built for commercial truck drivers and fleet operators. It enforces all FMCSA §395 regulations in real time, automatically catching violations before they happen, while an AI-powered load optimizer maximizes fleet profitability.

Core Features

FMCSA HOS Compliance Engine

• 11-Hour Driving Limit (property carriers) / 10-hour (passenger)
• 14-Hour On-Duty Window (property) / 15-hour (passenger)
• 70-Hour / 8-Day Cycle (or 60/7 for smaller carriers)
• 30-Minute Break Rule enforcement after 8 cumulative driving hours
• 10-Hour Off-Duty Reset requirement
• Real-time violation detection and approach warnings

Driver Management

• Full CRUD for CDL driver profiles
• Cycle type selection: Property 60/7, 70/8 | Passenger 60/7, 70/8
• PostgreSQL persistence via Drizzle ORM

Digital Log Book

• Record off-duty, sleeper berth, driving, on-duty-not-driving status changes
• Paper logbook–style 24-hour timeline graph
• 8-day rolling cycle bar chart history

AI Load Optimizer

• Linear programming (PuLP CBC solver) assigns trucks to deliveries
• Respects HOS availability per driver
• Cost estimation and unassigned delivery tracking
• Tier-gated: 2 trucks/5 loads (Free), unlimited (Pro/Fleet)

Stripe Subscription Billing

• 3 tiers: Free · Pro ($19/mo) · Fleet ($49/mo)
• Checkout sessions with metadata for user tier tracking
• Customer Portal for self-serve billing management
• FastAPI webhook handler persists tier changes to SQLite
• Demo mode (no real Stripe key required to run)

Settings & Company Profile

• DOT number, company name, timezone
• Alert preferences (driving limit warnings, break-soon alerts, audible alerts)
• Saved to PostgreSQL via REST API