Radar Sensors For Smart City Applications Market – Global Industry Size, Share, Trends, Opportunity, and Forecast, Segmented By Technology (MEMS, CMOS, Others), By Component (Analog-to-Digital Converters (ADC), Digital-to-Analog Converters (DAC), Transceivers, Amplifiers, Microcontrollers, Others), By Type (Ground Radar Sensors, Overhead Radar Sensors), By Frequency (24 GHz, 10.5 GHz, Others), By Application (Traffic Monitoring, Pedestrian Monitoring, Others), By Region, and By Competition 2021-2031F

Forecast Period	2027-2031
Market Size (2025)	USD 7.98 Billion
CAGR (2026-2031)	11.92%
Fastest Growing Segment	MEMS
Largest Market	North America
Market Size (2031)	USD 15.68 Billion

Market Overview

The Global Radar Sensors For Smart City Applications Market will grow from USD 7.98 Billion in 2025 to USD 15.68 Billion by 2031 at a 11.92% CAGR. Radar sensors for smart city applications are electronic devices that utilize radio frequency technology to detect, track, and measure the speed and presence of objects such as vehicles and pedestrians, functioning effectively in diverse weather and lighting conditions. The market is primarily propelled by the accelerating pace of global urbanization, which necessitates efficient traffic management systems to alleviate congestion and reduce emissions. Furthermore, the increasing prioritization of public safety has spurred demand for non-intrusive surveillance technologies capable of monitoring intersections and pedestrian zones without compromising individual privacy, thereby driving widespread adoption across modern metropolitan infrastructure.

Despite this favorable trajectory, the market faces a significant challenge regarding signal interference and spectrum congestion, as the proliferation of wireless devices in dense urban areas can degrade sensor accuracy and reliability. Highlighting the continued commitment to advancing these critical technologies, according to ERTICO - ITS Europe, in 2025, European Union programs have allocated approximately €208 million to support 27 Cooperative, Connected and Automated Mobility (CCAM) projects since 2021. This substantial investment underscores the strategic financial support dedicated to integrating sensor-reliant intelligent transport systems into the smart city landscape.

Key Market Drivers

The escalating demand for intelligent traffic management and flow optimization functions as a primary catalyst for the deployment of radar sensors in urban environments. Municipalities are actively replacing inductive loops with radar-based systems to dynamically adjust signal timing and monitor lane occupancy, as these sensors maintain high operational reliability even in adverse weather conditions. This technological shift is essential for mitigating congestion and reducing vehicle idling times, which directly contributes to lower urban emissions. Highlighting this commitment to modernizing intersection technology, according to the UK Department for Transport, March 2024, in the 'Traffic Signal Obsolescence Grant' announcement, £30 million was allocated to local authorities specifically to repair and upgrade traffic signal systems with advanced detection equipment to improve traffic flow.

Concurrently, the surge in government funding for digitalized urban infrastructure projects is significantly accelerating market growth by removing financial barriers for large-scale sensor networks. Federal and regional bodies are financing initiatives that utilize radar for privacy-preserving surveillance and vehicle-to-everything (V2X) communication, which are critical for future autonomous mobility safety. According to the U.S. Department of Transportation, March 2024, in the 'Strengthening Mobility and Revolutionizing Transportation (SMART) Grants Program' announcement, the administration awarded over $50 million to 34 projects focused on implementing advanced smart community technologies. This fiscal support creates a fertile environment for sensor adoption; indeed, according to the U.S. Department of Transportation, in 2024, the national connectivity roadmap set a target to have 20% of the National Highway System enabled with V2X connectivity by 2028, a goal that necessitates extensive deployment of radar-equipped roadside infrastructure.

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Key Market Challenges

Signal interference and spectrum congestion represent a formidable barrier to the expansion of the Global Radar Sensors For Smart City Applications Market. As urban environments become increasingly densified with wireless technologies, the radio frequency spectrum essential for radar operation faces critical saturation. This overcrowding frequently leads to signal degradation and false detections, where sensors fail to distinguish between actual physical obstacles and electromagnetic noise. In safety-critical applications such as intersection monitoring and automated traffic flow control, such reliability issues are unacceptable, causing municipal governments to delay or scale back deployment plans due to liability concerns and performance instability.

The rapid proliferation of connected emitters exacerbates this operational instability, directly impeding market adoption rates. According to the 5G Automotive Association, the number of cellular-connected vehicles on the road reached more than 300 million globally by December 2024. This massive volume of transmitting devices contributes significantly to the electromagnetic noise floor in metropolitan areas, complicating the integration of interference-sensitive radar systems and limiting their effective implementation in complex smart city ecosystems.

Key Market Trends

The adoption of High-Resolution 4D Imaging Radar is revolutionizing the market by providing granular object detection capabilities. Unlike conventional radar, 4D imaging captures elevation data, distinguishing stationary infrastructure from moving targets like pedestrians in complex urban environments. This enhanced resolution is critical for automated intersection management where precise classification reduces false alarms. Highlighting this shift, according to Arbe Robotics, July 2025, in the 'Sensrad Delivers First Radar Series Powered by Arbe's Chipset' announcement, the company's partner began delivering radars for a new intelligent road infrastructure project, signaling a move toward mass implementation of these advanced perception capabilities.

Integration of Edge AI for Real-Time Analytics is reshaping sensor architecture by shifting processing from clouds to the device level. By embedding artificial intelligence into the radar unit, smart city networks can instantly classify vehicle types with minimal latency, ensuring immediate responses to changing road conditions while reducing bandwidth usage. This decentralized approach allows for autonomous decision-making at intersections. Demonstrating this traction, according to Iteris, May 2025, in the 'Iteris Chosen to Implement the City of Burleson's Advanced Traffic Management System Plan' announcement, the company was awarded a $1.7 million contract to upgrade intersections with AI-integrated radar sensors.

Segmental Insights

The Micro-Electro-Mechanical Systems (MEMS) segment is currently positioning itself as the fastest-growing category within the global radar sensors for smart city applications market. This rapid expansion is primarily driven by the increasing demand for miniaturized, energy-efficient components necessary for large-scale Internet of Things deployments in urban environments. MEMS technology enables the manufacturing of compact and cost-effective radar units that integrate seamlessly into existing infrastructure, such as smart streetlights and parking management systems. Consequently, municipal transportation agencies prioritize these scalable solutions to enhance traffic monitoring and public safety while ensuring low power consumption and long-term operational reliability.

Regional Insights

North America leads the Global Radar Sensors For Smart City Applications Market, driven by extensive infrastructure modernization and federal support for smart mobility initiatives. The region's dominance is largely attributed to strategic programs by the U.S. Department of Transportation, which actively funds and promotes Intelligent Transportation Systems to enhance urban safety and traffic efficiency. Furthermore, the concentration of established technology manufacturers in the United States accelerates the deployment of radar solutions for autonomous vehicle infrastructure and perimeter security. This cohesive environment of policy support and industrial capability ensures the region remains the primary hub for market expansion.

Recent Developments

• In November 2025, Infineon Technologies launched the XENSIV BGT60CUTR13AIP, a new 60 GHz radar sensor designed to enhance smart building and Internet of Things (IoT) applications. The sensor features an antenna-in-package design that integrates the radio frequency front-end, antennas, and control logic into a single compact chip, simplifying implementation for developers. This solution utilizes 60 GHz Frequency Modulated Continuous Wave (FMCW) technology to provide precise presence detection and motion tracking, enabling energy-efficient automation in smart city infrastructure such as intelligent lighting and security systems.
• In December 2024, Gapwaves signed a significant agreement with Smartmicro to supply waveguide antennas for high-resolution radar sensors used in traffic management. The deal, valued at approximately SEK 90 million, involves the serial production of antennas based on Gapwaves' proprietary Multi-Layer Waveguide technology, with deliveries scheduled to commence in the first quarter of 2025. This collaboration underscores the growing demand for advanced radar components that can deliver precise object detection and separation in dense urban traffic environments, further supporting the expansion of intelligent transportation systems.
• In September 2024, Smartmicro introduced its new Radar Sensor Fusion software designed to enhance traffic management in urban intersections. The software, which operates on the company’s edge computing device, integrates data from multiple radar sensors to create a comprehensive, interference-free model of all road users, including vehicles, cyclists, and pedestrians. This development allows traffic controllers to visualize object trajectories in real-time within a range of up to 200 meters, facilitating more accurate adaptive traffic light control and improving overall safety for vulnerable road users in smart city applications.
• In June 2024, Bitsensing secured $25 million in Series B funding to accelerate the deployment of its high-resolution radar technology across various sectors, including smart cities. The South Korean deep-tech company intends to use the capital to advance its 4D imaging radar solutions, such as the Traffic Insight Monitoring Sensor (TIMOS), which provides real-time traffic management data. This investment, supported by backers including the Korea Development Bank and HL Mando, will enable the company to scale its operations and enhance its "radar everywhere" strategy, optimizing urban infrastructure and improving safety in complex city environments.

Key Market Players

• Robert Bosch GmbH
• Continental AG
• NXP Semiconductors N.V.
• Infineon Technologies AG
• Denso Corporation
• Hella KGaA Hueck & Co.
• STMicroelectronics N.V.
• Texas Instruments Incorporated
• Analog Devices, Inc.
• Sony Group Corporation

By Technology	By Component	By Type	By Frequency	By Application	By Region
MEMS CMOS Others	Analog-to-Digital Converters (ADC) Digital-to-Analog Converters (DAC) Transceivers Amplifiers Microcontrollers Others	Ground Radar Sensors Overhead Radar Sensors	24 GHz 10.5 GHz Others	Traffic Monitoring Pedestrian Monitoring Others	North America Europe Asia Pacific South America Middle East & Africa

Report Scope:

In this report, the Global Radar Sensors For Smart City Applications Market has been segmented into the following categories, in addition to the industry trends which have also been detailed below:

• Radar Sensors For Smart City Applications Market, By Technology:

• MEMS
• CMOS
• Others

• Radar Sensors For Smart City Applications Market, By Component:

• Analog-to-Digital Converters (ADC)
• Digital-to-Analog Converters (DAC)
• Transceivers
• Amplifiers
• Microcontrollers
• Others

• Radar Sensors For Smart City Applications Market, By Type:

• Ground Radar Sensors
• Overhead Radar Sensors

• Radar Sensors For Smart City Applications Market, By Frequency:

• 24 GHz
• 10.5 GHz
• Others

• Radar Sensors For Smart City Applications Market, By Application:

• Traffic Monitoring
• Pedestrian Monitoring
• Others

• Radar Sensors For Smart City Applications Market, By Region:

• North America
• United States
• Canada
• Mexico
• Europe
• France
• United Kingdom
• Italy
• Germany
• Spain
• Asia Pacific
• China
• India
• Japan
• Australia
• South Korea
• South America
• Brazil
• Argentina
• Colombia
• Middle East & Africa
• South Africa
• Saudi Arabia
• UAE