Transport · Roads

What flows down a toll road — and how it pays

A toll-road concession owns the tarmac, and charges every vehicle that uses it. The cost base — resurfacing, patrols, insurance — is almost entirely fixed, so once the road is built, every extra vehicle is nearly pure margin. The whole investment case turns on traffic (vehicles per day), the toll tariff, and the heavy-goods mix — HGVs pay roughly 3× a car for the damage they do.

60,000
£2.50
15%
LIVE
Light vehicle cars & vans — the volume base Heavy goods HGVs — pay ~3× per trip Toll point every trip charged at the gantry Operating cost mostly fixed maintenance
Flows — annualised from current assumptionsper year
Revenue p.a.
£0
£0 / hr
EBITDA p.a.
£0
0% margin
Revenue / vehicle
£0
blended toll
Traffic (AADT)
0
15% HGV
Stocks — what the flows accumulate intolive
Vehicles served · session
0
at 60,000 / day
EBITDA banked · session
£0
accumulating in real time
Implied enterprise value
£0
at 22× EBITDA
Where revenue comes from Total £0 p.a.
Light vehicles
Heavy & roadside
Why investors love toll roads: a mature road is a quasi-monopoly annuity — traffic is sticky, tolls are usually contractually linked to inflation, and the cost base barely moves with volume. So revenue compounds with GDP and prices while costs stay flat, and operating margins run 65–80%. The risk that matters is traffic: the same operating leverage that lifts margins when the road fills up works brutally in reverse when it empties.
Revenue streams£0 p.a.
Operating costs£0 p.a.
Investment case — should you buy it?DCF returns

Year-1 financials flow live from the simulation above: revenue £0 and EBITDA £0 p.a. Set your deal terms below — the unlevered IRR (asset return) and levered IRR (return to equity, after debt) recompute instantly.

Operating

%
%
%
%
%
%

Valuation & hold

×
×
y

Financing

×
%
%
Unlevered IRR
—
asset / project return
Levered IRR
—
return to equity
Equity multiple
—
MOIC over hold
Equity gain
—
exit equity − invested
Equity cash-flow profile£m · ■ invested   ■ returned
Projection — £m per year

Illustrative model. Represents a tolled inter-urban motorway concession. Revenue = traffic × toll, where heavy goods vehicles pay a multiple of the car toll, plus modest roadside/services income. Operating costs (pavement resurfacing, routine O&M and patrols, tolling & collection, insurance and a revenue-linked concession fee) are dominated by fixed maintenance, with only the tolling cost and the concession fee scaling with volume — so each extra vehicle is overwhelmingly incremental margin and traffic drives the result. EBITDA = revenue − operating costs; excludes upfront construction/acquisition capex. The investment case is a simplified DCF. For illustration only — not investment advice, and not any specific asset.