Travel plan monitoring surveys and remedies

A travel plan monitoring survey is the point at which a document written three years earlier meets the people who actually live or work on the site. It is also where most travel plans quietly fail. The measures often worked. The survey was designed badly enough that nobody can tell.

The obligation is usually secured by a section 106 agreement or a planning condition, and it typically requires surveys at set intervals after occupation, measured against targets in the approved plan, with remedial measures if the targets are missed. Each of those four elements needs checking before the first survey goes out.

What the obligation usually says

Read the wording rather than the travel plan. The legal obligation sits in the agreement or the condition, and it is what the authority can enforce.

Most obligations cover the same ground. A trigger for the baseline survey, expressed as a level of occupation rather than a date. A monitoring cycle, commonly at years one, three and five after that trigger. A requirement to submit results by a stated deadline. Targets expressed as mode shares or as a reduction in single occupancy car trips. A monitoring fee paid to the authority. And a remedy if the targets are not met.

Two details are worth confirming early. Whether the targets are absolute mode shares or a change from the baseline, because those behave very differently. And whether the remedy is a fixed default payment, a requirement to produce an action plan, or a contribution drawn from a bond held for the purpose.

Where the scheme is phased, check whether the trigger applies per phase or to the development as a whole. Getting this wrong means either surveying an almost empty site or missing the deadline entirely.

Designing a survey that can be compared

The whole value of monitoring lies in comparability. A survey that cannot be compared with the baseline tells you nothing, whatever its response rate.

Fix these and do not change them between rounds:

• The season. Use a neutral month, avoiding school holidays, the weeks either side of Christmas and Easter, and any period of local disruption.
• The question wording. Even small changes to how a question about usual mode is phrased move the answers.
• The geography. Survey the same units, the same buildings, the same employers.
• The reference period. Asking about the last working day gives different results from asking about a typical week.
• The mode categories. Keep them identical, including how you treat walking as part of a public transport trip.

Where the baseline was set from a household or staff questionnaire, the follow up has to be the same instrument. Where it was set from automatic traffic counts, keep the same count locations and durations, and note that counts and questionnaires measure different things and cannot be swapped for one another.

Run the counts alongside the questionnaire where the obligation allows. Counts give you vehicle movements that are hard to dispute, and the questionnaire gives you the mode share and the reasons. Together they are far more persuasive than either alone, and they let you check one against the other.

Response rates and how to raise them

Response rate is the number every authority looks at first. Many set a minimum in the agreement, often somewhere around a third of the surveyed population, though the figure varies between authorities and should be read from the obligation rather than assumed.

What actually raises it:

1. A short survey. Ten questions answered in three minutes will beat a thorough questionnaire that takes fifteen.
2. Multiple channels. Online link, paper copy, and a person with a tablet in a lobby or reception for two mornings.
3. Timing. Mid week, mid month, and a reminder after four working days.
4. A named local sender. A message from the site management or the employer performs better than one from a consultancy nobody recognises.
5. A small incentive, declared honestly in the report.
6. Explaining the purpose in one sentence, because residents assume it is marketing.

Report the response rate, the population surveyed and the method, every time. Where the rate is low, say so and describe what it means for confidence in the result rather than presenting the figures as though they were solid.

A residential travel plan usually achieves lower response rates than a workplace one. That is worth flagging to the authority in advance rather than defending afterwards.

Reading the results against the baseline

Compare like with like, and show the working. The comparison table should carry the baseline figure, the current figure, the target, and the difference, for every mode, with the sample size in each round.

Three traps to avoid.

Changing the denominator. If the baseline was expressed as a share of all trips and the follow up as a share of commuting trips, the comparison is meaningless.

Reading noise as trend. A shift of two percentage points on a sample of 80 responses is not evidence of anything. Where the sample is small, say what the margin of uncertainty is.

Ignoring the external context. Mode shares move for reasons that have nothing to do with the travel plan: a new bus service, a withdrawn one, a change in parking enforcement on surrounding streets, a major employer moving in or out. Record those changes in the report, because they will be raised in any case.

Where on street parking pressure is part of the argument, a parallel Parking Survey using a recognised beat survey methodology gives the authority evidence that a questionnaire cannot.

When remedial measures are triggered

Missing a target is not a breach in itself. Most agreements require the applicant to produce an action plan and to implement additional measures, drawing on a fund or a bond where one exists.

An action plan that tends to be accepted has four parts: an analysis of why the target was missed, a set of measures proportionate to the shortfall, a cost and a delivery date for each, and a commitment to survey again at a stated interval to test whether they worked.

Measures that are usually available and usually inexpensive relative to a default payment include improved cycle parking and shower provision, car club membership subsidised for a period, a bus season ticket contribution, personalised travel planning for new occupiers, and better wayfinding to the nearest stops. The infrastructure measures that make the most difference, such as a missing footway link, are harder to deliver late and are the reason to get them right at application stage.

Where the remedy is a default payment, work out early whether paying or acting costs less. Where the payment is substantial, the measures are usually the better value, and they also protect the relationship with the authority for the next application.

The Travel Plan itself should have set out the measures and the monitoring regime in enough detail that the action plan is an extension of it rather than a new document. If the plan was written as a generic template, this is the point at which that shows.

Reporting to the authority

Submit a short report, not a data dump. What works: a page of findings, the comparison table, the response rate and method, the external context, a conclusion against each target, and the action plan where one is needed. Appendices carry the raw data and the questionnaire.

Send it to the named officer in the agreement and keep proof of the date. Monitoring reports go astray with impressive regularity, and an applicant who can show the submission date is in a much better position than one relying on the authority's records.

Where the scheme also generated a transport assessment at application stage, the monitoring report should reference the predicted trip generation and compare it against the observed position. Doing so builds credibility for the next scheme, and the underlying thresholds are covered in our note on transport assessment thresholds and trip generation. The original assumptions sit in the Transport Assessment and are worth rereading before writing the comparison.

Closing the travel plan out

Travel plans are meant to end. Once the final monitoring round is complete and the targets are met, or the remedial measures have been implemented and the agreement satisfied, ask the authority in writing to confirm that the obligation has been discharged.

That confirmation matters commercially. An undischarged section 106 obligation appears on searches, delays disposals and can hold up a refinancing. Chase it, and keep the letter.

One detail that often remains outstanding at that point is the provision secured for accessible and powered two wheeler parking, which is covered in our note on accessible and motorcycle parking.

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This is general guidance, not legal advice. Check the position with your local planning authority or a qualified professional before relying on it. PlanScope provides AI-assisted draft reports for planning applications. Reports should be reviewed before submission. We do not guarantee planning approval.