Traffic Control Plans in Maryland

A traffic control plan — also referred to as a Maintenance of Traffic (MOT) plan — is an engineered drawing that specifies how vehicle, pedestrian, and bicycle traffic will be managed safely through a work zone. It defines device placement, lane configuration, taper design, signage, and flagging operations for a specific site and scope of work.

In Maryland, a TCP is typically required any time work impacts public right-of-way, including lane closures, shoulder work, sidewalk disruption, or utility installations that affect traffic flow. Both MDOT SHA and individual county permitting authorities require an approved TCP before issuing a work permit for most ROW encroachment activities. The specific trigger thresholds vary by jurisdiction and road classification.

Work affecting MDOT SHA-maintained routes requires a Lane Closure Permit, with an approved TCP included in the permit package. SHA evaluates TCPs against its Standard Traffic Control Plans and the Maryland Supplement to the MUTCD, which defines device types, placement distances, taper lengths, and buffer zones for different road classifications and speed environments.

SHA classifies TCPs as standard or complex based on factors including road classification, posted speed, number of lanes affected, and closure duration. Complex plans require more detailed engineering documentation and are subject to SHA district office review. All SHA TCP submissions must demonstrate compliance with MUTCD Part 6 as the baseline federal standard, with Maryland-specific requirements applied on top.

An SHA permit covers work on state-maintained routes — Maryland state routes, US routes, and interstates within Maryland. It is issued by MDOT SHA and reviewed by the applicable SHA district office. The TCP submitted with this permit must meet SHA's standard plan requirements.

A county ROW permit covers work on county-maintained roads and is issued by the applicable county department — Department of Public Works, Department of Transportation, or Highway Division depending on the county. Each of Maryland's 23 counties operates its own permit process with its own TCP review standards, though all must comply with MUTCD Part 6 as a federal baseline. Projects that span both SHA and county road segments require separate permit submissions to both authorities on coordinated timelines.

Review timelines vary significantly by authority, plan complexity, and current review queue volume. LADMA does not guarantee specific review or approval timelines, as these are determined entirely by the reviewing authority — SHA district office or county department — not by the plan designer or permit applicant.

Plan completeness and compliance quality directly affect review speed. Incomplete or non-compliant submissions generate review comments that require revised plans and restart the review cycle. Submitting a fully compliant, complete permit package on the first submission is the most effective way to minimize review time. LADMA designs to the applicable standard specifically to reduce the likelihood of review comments on first submission.

Maryland work zones must comply with Part 6 of the Manual on Uniform Traffic Control Devices (MUTCD), which covers temporary traffic control device standards, work zone design requirements, and flagger operations. Part 6 establishes the federal baseline that all state and local jurisdictions in Maryland must meet at minimum.

Maryland has adopted a state supplement to the MUTCD that applies additional or modified requirements for certain conditions on Maryland roads. For work on SHA-maintained routes, SHA's Standard Traffic Control Plans provide pre-approved configuration templates that satisfy SHA's application of the MUTCD Supplement. County jurisdictions may apply additional local requirements on top of the MUTCD baseline. All LADMA TCP designs are engineered to the applicable MUTCD standard and the requirements of the specific reviewing authority.

Yes. This is a core operational capability that distinguishes LADMA from firms that provide TCP design only. LADMA manages both the engineering side — site assessment, plan design, MUTCD compliance, permit coordination — and the field side — flaggers, devices, signing, and lane closure execution — under one scope of work.

For contractors and project managers, this eliminates the coordination gap between plan approval and field deployment. There is no handoff to a separate flagging contractor, no risk of a deployment crew working from a different version of the plan, and no split accountability between who designed the work zone and who is implementing it. LADMA holds both responsibilities from site assessment through field operations across Maryland and our full 5-state footprint.

In Maryland, a traffic control plan is typically required for any work that encroaches on public right-of-way and affects vehicle or pedestrian movement. Common project types that require TCPs include utility main replacements and installations (water, sewer, gas, electric, fiber), lane closures for pavement resurfacing or patching, sidewalk and curb ramp reconstruction, bridge maintenance and inspection, and new construction that requires sustained lane shifts or detours.

Emergency work — utility breaks, emergency road repairs, and similar unplanned closures — also requires TCP compliance, though emergency permit pathways vary by jurisdiction and may accommodate expedited review under certain conditions. Both SHA-permitted and county-permitted projects within LADMA's Maryland service area may require TCPs depending on the specific scope and road classification affected.

Submit a quote request through LADMA's contact page or call (240) 861-5050 directly. For TCP quotes, it helps to have the project location (county and road name or route number), the type of work being performed, the anticipated duration, and whether the work is on an SHA-maintained route or county road. If you know which SHA district the project falls in, include that as well.

LADMA handles TCP projects across all 24 Maryland counties and Baltimore City, including projects with multi-jurisdiction permit requirements. If your project scope spans SHA and county ROW, or involves multiple counties, note that in your request so the quote reflects the full coordination scope from the start. Quote response targets same business day during normal business hours. For time-critical or emergency TCP needs, call directly for the fastest response.