Sanbell (formerly Sanderson Stewart) led improvements to the North 7th Avenue and Griffin Drive intersection in Bozeman, Montana. This Montana Department of Transportation (MDT) project focused on improving traffic flow, safety, and infrastructure. The upgrades included a new traffic signal, expanded turn lanes, better lighting, and modern storm drainage. Dual westbound left-turn lanes eased heavy […]
Sanbell – Rocky Mountain (formerly Sanderson Stewart) supported HDR on the I-90 Yellowstone River Project in Billings, Montana. This Montana Department of Transportation (MDT) project upgrades a critical stretch of Interstate 90 to improve safety, traffic flow, and long-term infrastructure resilience. The project will finish in 2024. It widens the interstate inward to add an […]
Sanbell played a key role in completing the Roundabout Central & 56th project (UPN 8611000) in Billings, Montana. Construction finished in 2022. The project included designing and building a roundabout as part of two safety initiatives. It also involved major irrigation, access, and drainage improvements. Sanbell handled road design, topographic surveying, cadastral Certificate of Survey […]
This safety project aimed to replace a dangerous horizontal curve and merge three hazardous intersections into a single-lane roundabout. The goal was to improve safety in a high-speed rural area. Key components included upgrading the storm system, improving subsurface drainage, relocating irrigation pipelines, installing sidewalks, and adding raised median islands. The project also required extensive […]
Sanbell (formerly Bellecci & Associates) provided a topographic survey and design services for approximately 250 feet of guardrail and a new 7-foot-high retaining wall. Our scope included topographic surveys, right-of-way (ROW) research, and structural wall design on an accelerated schedule. The City later added a second 50-foot-long retaining wall to the project. This included over […]
Sanbell (formerly Bellecci & Associates) provided topographic surveying and civil design services for a multi-year roadway and intersection improvement project in Oakland, California. The work involved upgrading three signalized intersections and modifying a State Route off-ramp. In addition, Sanbell provided services in widening and re-profiling the Webster Tube exit to improve traffic efficiency and multimodal […]
Sanbell (formerly Bellecci & Associates) delivered a quick-build Complete Streets project in Cupertino to improve safety and multimodal access. The project added Class IV protected bike lanes, intersection bulb-outs, updated curb returns, and ADA-compliant curb ramps. Our multi-modal transportation engineering team also installed raised buffer islands and modified traffic signals at three intersections to improve […]
Sanbell (formerly Bellecci & Associates) has over 40 years of experience helping cities manage annual budgets and allocate resources efficiently. In 2020, San Carlos initiated a citywide project to rehabilitate pavement and implement ADA improvements across multiple locations. Sanbell, already trusted for annual budget projects, took the lead on this comprehensive effort. We faced challenges […]
Sanbell (formerly Bellecci & Associates) provided topographic surveying and civil design for a Complete Streets and underground utility district project. Our team supported the transformation of a key corridor into a safer, more functional, and more sustainable street. The project includes one mile of underground utility installation, coordinated with roadway reconstruction to streamline construction and […]
Sanbell (formerly Bellecci & Associates) partnered with a local traffic engineering firm to deliver a power pole undergrounding project along a key roadway corridor. The City selected Sanbell’s Civil Engineering team for our experience coordinating complex utility conversions in active neighborhoods. Sanbell led the replacement of aging overhead power poles with underground conduit systems along […]
Welcome to Sanbell — The Core Design team is now part of Sanbell, bringing together talented professionals, expanded capabilities, and a shared commitment to serving our clients and communities. You’ll continue working with the same trusted team, now backed by the strength and resources of Sanbell.
