If alcohol may be served at a gathering, the host should let attendees know in advance how they will get around after the event. A ride-home notice here is not a procedure for checking whether attendees have been drinking or for judging whether they can drive. It is about concretely communicating ways to come without a car, the conditions to check when leaving a car behind, and whom to contact if getting home becomes difficult.
A personal breathalyzer is a tool that checks alcohol-related readings from the breath, and its result is reference information for users to reflect on their own condition. If the host collects these readings or looks at the screen to allow someone to drive, the purpose of the notice gets blurred. A ride-home message works better when it centers on travel options people can act on and ways to ask for help, rather than numbers.
Wording that asks about travel plans from the invitation
The invitation can briefly ask attendees who may drink to come without a car or arrange another way home. Rather than telling them to use a specific mode of transport, leave room for attendees to choose a method that fits their schedule and local conditions.
You could write: "If you plan to drink, please arrange your way home in advance. If you are bringing a car, please also check the parking conditions." This message conveys that getting home is part of the gathering without asking for a reply about drinking or test readings.
Include only confirmed information in the venue details. For example, if you were actually told about an entrance or a pickup waiting spot, write that location; if it is not yet confirmed, do not include a guessed place name. To reduce the chance of attendees waiting in the wrong place, a description they can find on site, such as which entrance it is near, works better than a place name.
Put actions and contact details together in the closing notice
Near the end of the event, do not just repeat the first notice; send the travel information people can use right now. "Get home safe" alone does not tell attendees what to do. Putting the pickup location, what to check when leaving a car behind, and a contact for help in a single message is practical.
| Situation | Sample message to attendees | What the host decides first |
|---|---|---|
| Going home without a car | "Please book your own ride home or check what's available." | A pickup location you can actually point people to |
| Leaving a car behind | "If you're leaving your car, please check the parking hours and exit conditions." | Parking conditions announced by the venue operator |
| No way to get home | "If you can't work out how to get home, let us know at the contact below." | Who will respond after the event, and how |
| Venue has changed | "The ride-home pickup spot has changed. Please check the location below." | When the new location was confirmed |
Even if you use the table's wording as is, do not fill in the blanks with guesses. If you include a contact, decide who will respond even after the event ends; if you list a pickup location, confirm that it is the one the venue operator gave. If you don't have the information yet, it is better to state clearly where changes will be announced than to use wording that guarantees a service will be available.
Do not treat test results as permission to drive home
A reading from a personal breathalyzer is information for the attendee's own reference, not grounds for the host to allow or forbid driving. It is better not to set up flows like "send a photo of your test screen and you can drive" or "drive home if you're below a certain number." Results can vary with test conditions and devices, and such a flow also gives the impression that the host is judging an individual's fitness to drive.
So if the event notice must mention self-checks, you can limit it to something like: "Personal test results are for your own reference only, and deciding how to get home is separate from any procedure for submitting numbers." Collecting attendees' test screens, test history, or drinking-related information in bulk is also not something you need in order to help people get home. What is needed is not a detailed record of who will use which mode of transport, but a channel through which anyone who needs help can reach someone.
Where a separate alcohol check procedure is in place, such as at a company event, do not mix that procedure with guidance on personal breathalyzers. This article covers ride-home messages sent by gathering hosts and does not replace workplace operating rules or legal judgment.
Messages to resend when plans change
If the gathering runs longer than expected or moves to another venue, the ride-home information you first gave may no longer be accurate. In particular, if the pickup spot has changed but only the earlier notice remains, attendees may head to the wrong place. Briefly resending the new location and contact method takes priority over checking numbers or personal circumstances.
As a hypothetical example, say the group moved to another place nearby after dinner and the end time got later. The host notices that the pickup location first announced does not match the current venue. Reading this as a sign that the original notice alone will not get people home, the host sends the confirmed new location and a contact who will respond to the group chat. If an attendee says they can't decide how to get home, the host does not ask whether they have booked a ride or what their reading is, but helps them check whether they can leave the car and confirm their current location. Once the changed location has reached every attendee and the contact channel is actually open, the notice can be considered complete.
A closing message you can copy
The closing message does not need to be long. What matters is not leaving out any confirmed information about transport options, location, and contact method. You can use the message below by replacing the text in brackets with confirmed details.
"The gathering has wrapped up. If you have been drinking, please use a way home that doesn't involve driving yourself. If you're leaving your car, please check [parking information]. The pickup spot is [confirmed pickup location]. If you can't decide how to get home or need help, let us know at [contact method that will be answered]. If the venue or travel information changes, we'll post an update in this chat."
A good ride-home message is not one that compares attendees' readings or shifts responsibility onto them. A message that provides confirmed travel information and a contact channel that actually reaches someone, and that prompts people to plan options other than driving themselves, reduces confusion after the gathering.
Note: Self-check results from DATECH products are provided as reference information only. Actual enforcement standards and testing methods may differ by agency and device, so self-check results may differ from enforcement results, and DATECH accepts no responsibility for enforcement results.
