What Pi Variables does

Pi Variables, Inc., operating as pi-lit, is a privately held IoT road safety company founded in 2013 and headquartered in Tustin, California. The company designs, engineers, and manufactures in the USA a portfolio of connected roadway safety products built on a patented decentralized mesh radio network architecture in which all nodes (lamps and sensors) act as equals without a coordinator. Its product lineup spans Smart Sequential Road Flares that automatically sequence flash patterns to guide traffic around incidents, a Smart IR Med-Evac Landing Zone Kit for helicopter operations, an Impact Detection System (IDS) that monitors crash cushions, guardrails, end terminals, and cable barriers using machine learning to classify impact severity, and the piLINK Digital Alerting System that pushes WZDx-compliant work zone data into Waze, Apple Maps, HAAS Alerts, and Traffic Management Centers. Supporting offerings include MUTCD/ITE/NCHRP-350 compliant traditional warning lamps (Type-A/C, B, D), sequential barricade lamps, cone adapters, and a vehicle-mounted docking station.

The company monetizes through one-time hardware sales (smart flares priced $288-$750, landing zone kits $580-$725, traditional lamps $20-$105) with quote-based volume pricing for enterprise and government buyers, complemented by an emerging subscription layer through piLINK and IDS cloud monitoring. Distribution is primarily direct via e-commerce and phone sales, augmented by an authorized distributor network, with marketing driven by a technical blog, whitepapers, video demonstrations, and industry events. Customers are concentrated in government and public safety segments, including departments of transportation (Iowa DOT pilot), airports (Dallas Fort Worth Airport deploying IDS across 60 crash cushions), law enforcement (a Canadian police department achieving $273,000 USD in annual savings), fire/rescue and EMS (CrowdRX at Burning Man), construction contractors, military, and trucking. Pi-lit reports over 200,000 units sold across four continents, 66 issued patents (20 covering the sequential "Flock" technology), and annual shipment of 100,000 standard warning lamps, operating with a 1-10 person team on minimal disclosed outside funding.

Name

Pi Variables

Legal name

Pi Variables, Inc.

Website

https://pi-lit.com

Company type

Private

Founded year

2013

Operating status

Operating

Headcount range

1–10 employees

Short description

Pi Variables (pi-lit) develops IoT road safety products, including smart sequential LED flares, impact detection sensors, and cloud-based digital alerting, serving departments of transportation, airports, law enforcement, fire/rescue, and commercial fleets.

Ownership category

akta.pro rank

Product category

Road Safety Equipment / IoT Road Safety Hardware

NAICS

Other Measuring and Controlling Device Manufacturing (334519), Security Systems Services (except Locksmiths) (561621)

SIC

Measuring & Controlling Devices, Nec (3829), Electric Lighting & Wiring Equipment (3640), Computer Communications Equipment (3576)

akta.pro primary industry

Fleet, Asset Tracking & Telematics Location Platforms (BPAMANAF)

akta.pro secondary industry

Condition Monitoring Sensors & IoT (online/offline monitoring, edge devices) (EUADAJAD)

Keywords

• IoT road safety
• Smart sequential flares
• Impact detection sensors
• Work zone safety equipment
• Mesh network LED flares

Headquarters

HQ city

Tustin

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Technology or R&D, Personnel, Operations, Marketing or Sales, Infrastructure

Revenue model

1. IoT Safety Hardware Sales: Sale of smart sequential road flares, impact detection sensors, landing zone kits, traditional warning lamps, and related accessories. Products are sold with various power options (battery, solar, rechargeable). Revenue is one-time hardware with some recurring potential for replacement parts and accessories.
2. Cloud Connectivity and Monitoring Services: Cloud-enabled smart devices provide real-time monitoring and alerts. The IDS system provides 24/7 automated monitoring with notifications when impacts occur. Integration with traffic management systems via API for data delivery.
3. pi-link Cloud Subscription: Digital alerting subscription for WZDx-compliant data transmission to mapping systems and traffic management centers. Provides automatic alerts, fleet reports, and integration capabilities.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels6 records

Core offering

Pi Variables (pi-lit) designs, manufactures, and sells IoT-connected road safety hardware—primarily smart sequential LED road flares, impact detection sensors for crash cushions and guardrails, smart work zone products, traditional MUTCD-compliant warning lamps, and med-evac landing zone kits. The hardware is unified by a patented decentralized mesh radio network that enables sequential flashing, cloud connectivity via the piLINK digital alerting system, and integration with Waze, Apple Maps, HAAS Alerts, and traffic management centers. The company also generates recurring revenue through cloud monitoring subscriptions tied to the IDS and piLINK platforms.

Product overview

Pi Variables (pi-lit) offers a connected roadway safety platform built on patented decentralized mesh technology, featuring IoT-connected LED warning and guidance systems for road safety. The product portfolio centers on Smart Sequential Road Flares and Smart Work Zone Products (sequential barricade lamps, work zone pins) that provide visual traffic guidance through sequential flashing patterns, complemented by the Impact Detection System (IDS) for real-time monitoring of safety infrastructure. The piLINK™ Digital Alerting System extends the platform to public mapping services (Waze, Apple Maps). Supporting products include Traditional Warning Lamps (Type-A/C, Type-B, Type-D), the Med-Evac Landing Zone Kit for helicopter operations, and accessories like the Docking Station and Cone Adapters. The platform emphasizes solar power, cloud connectivity, GPS/compass tracking, and compliance with MUTCD/ITE specifications and NCHRP-350 standards.

Differentiator

Problem solved

Functional benefit

Brands

• piLINK: Digital alerting system that brings digital alerts to public mapping systems such as Waze and Apple Maps
• IDS (Impact Detection System)
• pi-lit Docking Station
• Smarter Cone by pi-lit

Products and services

• Smart Sequential Road Flares Radio-linked LED road flares that automatically sequence flash patterns through a mesh network to guide traffic around incidents, creating a runway-like visual guide for motorists. Features 20+ hour battery life, 4 flash modes, automatic synchronization, and cloud connectivity. Sold to DOTs, law enforcement, fire/EMS, and work zone operators.
• Smart IR Med-Evac Landing Zone Kit Radio-linked flare kit with both visible and infrared LEDs for helicopter landing zone demarcation, including 5 flares placed at the corners of a 100-foot square with a wind direction marker. Supports Night Vision Goggles (NVG) operation and is available in rechargeable or alkaline versions with 20+ hour runtime. Sold to EMS and medevac operators.
• Impact Detection System (IDS) IoT cloud-based sensor system for monitoring crash cushions, guardrails, cable barriers, and end terminals. Provides real-time alerts with GPS location, timestamps, acceleration data, and machine-learning-based impact severity classification when safety assets are struck. Sold to DOTs, airports, and infrastructure operators.
• piLINK Digital Alerting System Cloud-based digital alerting system that pushes work zone and incident alerts to Waze, Apple Maps, HAAS Alerts, and traffic management centers when Smart Sequential Flares or Work Zone devices are deployed. Sold as a recurring subscription to DOTs, work zone operators, and agencies needing WZDx-compliant data sharing.
• Traditional Warning Lamps Line of MUTCD- and ITE-compliant LED warning lamps including Type-A/C (flashing/steady 3-position), Type-B (brighter hooded work zone entrance lamp), and Type-D (360-degree cylindrical lens) models. Available in 3-volt D-cell, 6-volt, and true-solar rechargeable versions. Sold to municipalities, contractors, and DOTs.
• pi-lit Docking Station Vehicle-mounted smart charging and secure storage solution for Smart Sequential Flares and Landing Zone Kits. Supports both 10-set and 6-set flare cases with 110/220 AC wall charger or DC 12/24V car charger options, and is backed by a 2-year warranty. Sold to law enforcement, fire/EMS, and other fleet operators.
• Work Zone Channelizing Sequential Flare Kit Sequential flare kit with magnetic adapters for instant attachment to grabber cones, drums, and other channelizing devices. Delivers 20+ hours of continuous flash from a 4-hour charge and is available in 6, 10, or 12-packs with a rugged rechargeable carrying case. Sold to construction and infrastructure contractors for work zone safety.
• Start/End Work Zone Pin Solar-powered, GPS-enabled work zone device providing location and orientation information for start/stop pins, with impact, fall, and movement alerts carrying timestamps. Integrates with WZDx and HAAS Alerts, with an optional lithium iron rechargeable battery. Sold to DOTs and work zone operators.
• Sequential Barricade Lamps Sequential flashing barricade lamps that create runway-like approach lighting for lane closures. The MAX version offers 3+ months of battery life on 4 D-cell batteries; the MAX GPS version adds true solar power with 2+ weeks of operation without sunlight. Both meet MUTCD, ITE, and NCHRP-350 requirements. Sold to DOTs and work zone contractors.

Quantifiable outcome

• Canadian police department saved $273,000 USD per year switching from fusee flares to LED flares
• +5 more outcomes

Named customers4 records

Segments7 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

Integration5 records

AI capability2 records

Feature6 records

Partnerships

Three partnerships are on record, tiered core and minor.

• Dallas Ft. Worth Airport (DFW)coreStrategic or Co-development Partner · 24 September 2024DFW and pi-lit partnered to deploy IDS technology to monitor 60 crash cushions at parking plaza booths. The system replaced a mechanical flag system requiring personnel to walk across active lanes. DFW uses machine learning to determine impact severity and remotely tune sensitivity thresholds. Partnership demonstrates deployment at major transportation infrastructure.
• CrowdRXminorStrategic or Co-development PartnerCrowdRX, providing medical evacuation services at Burning Man festival in Black Rock Desert, Nevada, partnered with pi-lit to create a 2-mile temporary airfield. pi-lit 'tweaked' standard products for extended 14-hour burn time and enhanced brightness for the application. Pilots reported the runway visibility was excellent from miles away.
• Iowa Department of TransportationcoreStrategic or Co-development PartnerIowa DOT undertook a 12-month pilot program evaluating impact sensors on 'frequent flyer' crash cushion locations. Over 10 months, multiple impacts were detected and validated. The pilot established the value proposition and accuracy of IDS technology for state DOT applications.

Scale indicators7 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Iteris: Iteris is an established intelligent transportation systems provider offering traffic management, detection sensors, and smart work zone software to public agencies. It represents a much larger incumbent competing with pi-lit's IDS and WZDx data layer at the traffic management center level.
• 3M: 3M's Transportation Safety Division produces a broad portfolio of reflective sheeting, road flares, work zone signage, and pavement markings. While not focused on connected/IoT road safety, it competes in the same road-safety hardware category with vastly greater scale and channel reach.

Direct peers

• Solar Technology Inc. Solar Technology Inc. manufactures solar-powered portable traffic signals, arrow boards, and message signs for DOT and contractor markets. Its product line directly competes with pi-lit's solar-powered sequential barricade lamps and warning lamps.
• Carmanah Technologies: Carmanah designs and manufactures solar-powered LED lighting and signaling products for transportation, marine, and infrastructure markets. Its road-safety warning lights and solar-powered beacons directly overlap with pi-lit's warning lamp and sequential flare lines.
• Ver-Mac: Ver-Mac is a leading North American manufacturer of portable traffic signals, smart work zone messaging, and Intelligent Transportation Systems (ITS) equipment. It is a direct competitor to pi-lit's sequential flares and smart work zone devices, serving DOTs and contractors with overlapping connected road-safety products.
• TraffiCalm Systems: TraffiCalm manufactures MUTCD-compliant traffic safety products including radar speed signs, warning beacons, and road safety equipment for municipalities and DOTs—closely adjacent to pi-lit's warning lamp and traffic guidance portfolio.
• Wanco Inc. Wanco produces portable message signs, arrow boards, traffic safety equipment, and work zone products for DOTs and contractors. Its product portfolio overlaps with pi-lit's smart work zone and incident response hardware offerings.
• HAAS Alert: HAAS Alert provides a digital alerting platform for road safety that integrates with Waze and traffic management systems; pi-lit's piLINK system is actually an integration partner, but HAAS Alert is a directly comparable digital alerting/smart work zone platform.

Emerging players

• StreetLight Data: StreetLight provides mobility and traffic analytics for transportation agencies. While primarily a software/data company, it sits in the same smart-roadway and traffic-management ecosystem that pi-lit's IDS and piLINK systems feed into.

Others

• Stellantis (formerly NEXTEER Automotive — not applicable; substitute with relevant telematics player) SmartDrive / Omnitracs: Omnitracs provides fleet telematics, GPS tracking, and safety analytics for commercial trucking fleets. It is adjacent rather than directly competitive, sharing the asset-tracking/GPS-telematics foundations underlying pi-lit's GPS-tagged smart road safety devices.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/pilit
• LinkedInlinkedin.com/company/pi-lit
• Instagraminstagram.com/pi.lit.safety

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Funding overview

Funding rounds4 records

Investors3 records

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Pi Variables