SI Engineering, P.C.

06/01/2026

This Pride Month, SIE recognizes and celebrates the importance of inclusion, respect, and community.

Different perspectives help create stronger teams, better collaboration, and more connected environments for everyone.

05/29/2026

The G line’s signal system is being updated for the first time in nearly 100 years as the MTA continues major modernization work.

The upgrades include installing communications-based train control (CBTC), allowing trains to communicate and operate more efficiently.

Read more: https://tinyurl.com/srbnjkfe

G train riders should be ready to adjust their commutes around several service shakeups coming to the crosstown line, the MTA said.

05/27/2026

SIE is supporting MTA C&D with the rehabilitation of the West End Line elevated structures from 9th Avenue to 24th Avenue.

From inspection to design support, the work focuses on strengthening structural integrity across critical transit infrastructure.

See more here: https://tinyurl.com/54jvw36c

As a subconsultant, SI Engineering, P.C. (SIE) performed a study to evaluate the structural integrity, develop an abbreviated Master Plan (MP) and prepare Design-Bid documents for the rehabilitation of elevated line structure of West End Line between the 9th Avenue station to 24th Avenue station, IR...

05/25/2026

Today, we honor and remember the men and women who gave their lives in service to our country.

Their sacrifice is never forgotten.

05/22/2026

ICYMI: NYCDOT is proposing a redesign of West 72nd Street, including a two-way protected bike lane connecting Central Park and the Hudson River Greenway.

Projects like this highlight the continued shift toward safer, more connected transportation networks.

Read more: https://tinyurl.com/bdhrjf29

The bike lane will run the length of West 72nd Street between Central Park West and Riverside Boulevard — connecting the Central Park Loop with the Hudson

05/20/2026

SIE is growing.

We’re looking for talented professionals who are ready to contribute to impactful infrastructure and engineering projects.

Explore our current openings and take the next step in your career.

https://tinyurl.com/ywv3jk45

05/18/2026

Public works are the foundation of everyday life.

From roads and bridges to water systems and transit, these essential services keep communities running safely and efficiently.

This week, we’re recognizing the people and projects that make it all possible.

05/15/2026

Improving safety along major urban corridors requires thoughtful design and coordinated infrastructure upgrades.

SIE supports the reconstruction of the Grand Concourse through traffic signal design and maintenance and protection of traffic planning, helping enhance safety for pedestrians, cyclists, and drivers.

Learn more: https://tinyurl.com/3re224c7

As a subconsultant, SI Engineering P.C. (SIE) provided traffic signals system design, construction staging, and maintenance and protection of traffic (MPT) services for the reconstruction of Grand Concourse in the Bronx. The Grand Concourse is one of the Bronx’s busiest and most iconic roadways, r...

05/11/2026

Transportation connects everything.

From daily commutes to large-scale infrastructure systems, it keeps people, cities, and economies moving forward.

This National Transportation Week, we’re recognizing the networks and the people behind them that make it all possible.

05/10/2026

Strong communities don’t happen by chance. They’re built, supported, and held together every day.

Today, we recognize the mothers, caregivers, and role models who do that work in ways big and small.

Happy Mother’s Day!