Transportation Engineering and Transportation Planning.
Seiler-Lankes Group, LLC (SLG) is a transportation and civil engineering practice based in Cedar Park, Texas. Founded in 2010, it delivers planning, procurement, civil design, and construction support services for public and private sector clients. It focuses on delivering innovative, practical, and constructible designs for roadway and highway infrastructure improvements.
Jeff Seiler
Gerald Lankes
Comprehensive engineering services for civil infrastructure and transportation networks.
Delivers feasibility studies, alignment options, safety improvement evaluations, and corridor planning.
Prepares detailed engineering designs, plans, technical specifications, and cost estimations for construction readiness.
Assists clients through procurement phases, technical bidding, and developer proposals for infrastructure projects.
Provides construction-phase consultation, engineering representation, and responsive contractor coordination.
Transportation · Highways & Roads · Government · Infrastructure
Hutto, Williamson County, TX · Highways & Roads · Client: City of Hutto
Delivered engineering plans and responsive contractor coordination for a roadway improvement project in Williamson County, keeping construction under budget.
Round Rock, Williamson County, TX · Highways & Roads · Client: City of Round Rock
Designed roadway widening in an existing corridor, minimizing adjacent landowner impact and successfully managing inconsistent utility data.
Travis County, TX · Highways & Roads · Client: TxDOT Austin District
Provided transportation planning for the State Loop 360 reconstruction project.
Travis County, TX · Highways & Roads · Client: RTG / TxDOT Austin District
Prepared detailed engineering designs for highway interchange improvements.