Great Harwood is now filled with 20mph signs – but the new speed limits are yet to come into force.
Lancashire County Council has introduced the limits in residential areas of the town in a bid to improve road safety.
Many of the signs are now in place – but they won’t come into force until they have all been installed and a traffic order has been made.
So far, the signs have been welcomed by many residents – but concerns have been raised over how enforceable they will be.
Ward councillor Lynn Wilson said: "I think there is a need for them.
"In the Great Harwood Regeneration Group, we felt it would be a good idea to have a blanket 20mph zone throughout Great Harwood, although this wasn’t actually taken up.
"I do have some concerns over how they will be enforced and also for the actual upkeep of the signs.
"It might have been better if the zones were painted on the road as I feel we have too many signs as it is.
"I think there is definitely a need for the zones, but it’s the old saying that drivers who will obey it would do so anyway.
"With the ones going at 50mph or 60mph, I'm not sure this will stop them."
County Councillor Tim Ashton, Cabinet member for highways and transport, said: "Our aim is for everyone in the county to understand the benefits that driving more slowly and safely in residential areas has for them, their family, and their neighbours - and, where necessary, to do their bit to influence others to reduce their speed."
"People are much more likely to survive and have fewer injuries if involved in an accident at 20mph than 30mph, and lowering speeds will make our neighbourhoods safer and better places to live for everyone."
A spokesman for LCC said: "They won’t be covered up or greyed out with paint so there will be a short period of overlap between the old and the new limit.
"However, we’re minimising this by completing the legal order as soon as we can after the signs are in place."