The Aldridge transit team has experience in all types of railway systems. Equipment innovation allows our team to overcome project challenges such as difficult construction access in subway tunnels or completing electrical installations during limited weekend track closures. Aldridge safely completes challenging projects with minimal interruption to our customers.

Specific Services We Provide:

Train Control Systems

  • Train to Wayside Communications
  • Central Instrument Houses
  • Highway and Pedestrian Crossing Warning Systems
  • Signals, Switch Machines, Ground Systems

Traction Electrification Systems

  • Substations
  • Overhead Catenary Systems
  • Contact Rail Systems
  • Sectionalizing and Disconnect Switches
  • Contact/Messenger Wire Installation
  • Balanced Weight Auto Tensioning Systems

Communications

  • Right-of-Way, Station, and Tunnel Radio Systems
  • Fiber Optic and Copper Networks
  • Synchronous Optical Networking (SONET)
  • Fire, Intrusion Detection, and Access Control Systems
  • Variable Message Signs/Station Public Address Systems
  • Closed Circuit Television (CCTV)
  • Cellular Subway Solutions
  • Supervisory Control and Data Acquisition (SCADA)

Click on project photos for more info

Red Line Dan Ryan Track Renewal

Red Line Dan Ryan Track Renewal

Northstar Corridor Rail Project - LRT Connection

Northstar Corridor Rail Project - LRT Connection

Silicon Valley Berryessa Extension

Silicon Valley Berryessa Extension

Dearborn/Congress/Kennedy/Block 37 Control & Traction Power System Upgrades & Improvements

Dearborn/Congress/Kennedy/Block 37 Control & Traction Power System Upgrades & Improvements

Miami Orange Line

Miami Orange Line

4G Wireless Subway Upgrades

4G Wireless Subway Upgrades

NICTD South Shore Line Phase 2

NICTD South Shore Line Phase 2

CCLRT

CCLRT