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Purple Line Light Rail Live-Wire Testing Expansion

Sector: Rail • Location: Bethesda, Maryland, United States

Source: FOX 5 DC

Project
Under Construction

The Maryland Transit Administration has expanded live-wire testing for the Purple Line light rail project into Montgomery County, marking a transition from physical system construction to safety and operational testing. Trains operate overnight on approximately 2.5 miles of dedicated track between Lyttonsville and Bethesda. This phase tests system functionality including track integrity, electrica

Status
Under Construction
Sector
Rail
Location
Bethesda, Maryland, United States of America
Updated
22 Jul 2026
Source
FOX 5 DC

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The project “Purple Line Light Rail Live-Wire Testing Expansion” is an infrastructure initiative in the Rail sector, located in Bethesda, Maryland, United States. Taiyo aggregates data on it from FOX 5 DC.

Participants

Not available for this record.

Status

Original status

under construction

Taiyo status

Under Construction

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

The Maryland Transit Administration has expanded live-wire testing for the Purple Line light rail project into Montgomery County, marking a transition from physical system construction to safety and operational testing. Trains operate overnight on approximately 2.5 miles of dedicated track between Lyttonsville and Bethesda. This phase tests system functionality including track integrity, electrical systems, braking, signals, acceleration, communications, and periodic horn and bell tests. The project is about 90% complete and expected to begin service by the end of 2027.

Original sector

Transportation

Location

Country

United States of America (USA)

State

Maryland

City

Bethesda

Source

Source

FOX 5 DC

URL

More Details

Record type

Project

Sector

Rail

Article published date

2026-07-18

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