Projects

The Tongass Avenue and Water Street Corridor encompasses the Water Street and Tongass Avenue viaducts, along with the connecting roadway that together form a continuous segment of the Tongass Highway through downtown Ketchikan. The corridor supports a mix of vehicular traffic, freight movement, emergency services, and pedestrian use tied to nearby land uses and seasonal […]

The I-280 Northbound Ramp/Geneva Avenue Safety Study examined ways to improve multimodal safety and address backups at the I-280 northbound off-ramp at Geneva Avenue. This street is one of the neighborhood’s primary east-west corridors as it supports Balboa Park Station, one of the busiest transit hubs in San Francisco. Vehicle queues spilling back onto the freeway had caused

The Port of Morrow is a major Oregon hub that reuses over 2.7 billion gallons of industrial wastewater each year.

US 180 connects I-10 and the Silver City area and serves as a critical route supporting Southwest New Mexico’s copper mining and tourist industries. To improve safety, mobility, and regional connectivity for residents and visitors, the highway was expanded from two to four lanes along a 5-mile segment from Bayard to Hurley. This included removing

The town of Carnuel, New Mexico, is nestled into Tijeras Canyon along Interstate 40 and the former Route 66. Four bridges built in 1978 span the Tijeras Arroyo (a steep gully formed by fast-flowing water). Located east of Albuquerque, the bridges serve as a major freight corridor and gateway into the city. Parametrix assisted the

The BART Ashby Station Bicycle Access Improvement project closes a gap in Berkeley’s bike network, connecting Woolsey Street to Prince Street. This project included a one-way inbound bike lane from Woolsey Street-Adeline Street into the station area and a two-way cycle-track from MLK Jr. Way-Prince Street. The work required widening and re-grading an access roadway to add

The Central Marin Regional Pathway Gap Closure project sits at the nexus of five active transportation routes, including an interchange with Highway 101. This project provides safer infrastructure for the 1.6 million pedestrians and bicyclists accessing these routes each year. The Town of Corte Madera was awarded an Active Transportation Program state grant for $1.5

The Napa Valley Vine Trail, part of the larger San Francisco Bay Trail-Napa Valley Vine Trail network, is a 47-mile route connecting the Vallejo Ferry Terminal to Calistoga, California. The trail features separated two-way and directional bicycle facilities, shared-use pathways, protected intersections, interpretive signage, and shelters. The paths provide safe, attractive routes to travel between

Olney Avenue is a critical east-west corridor connecting Bend residents to schools, parks, trails, and businesses. It is a designated key walking and biking route and crosses both US 97 and the BNSF railroad tracks. In addition, the corridor houses essential underground utilities. The Olney Avenue Improvements project replaces aging water and sewer infrastructure while making

Data centers require complex and large-scale infrastructure planning and design, both on the developed campus site as well as off site coordination and collaboration with public works and utilities.