Meanwhile at Moritzplatz, one of Berlin's busiest roundabouts, Robert Shaw has started a mobile vegetable patch.
Transport for London (TfL) is currently trialling eye-level traffic lights for cyclists and "Dutch-style" roundabouts.
Some roundabouts on roads maintained by Highland Council have been sponsored by companies for a number of years.
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In Dakar, traffic lights are functionally non-existent, and thousands of cars navigate the streets though irregularly placed roundabouts.
Roads and roundabouts were built to link them together, but instead the three areas have come to represent division.
There are more and more roundabouts being built every day because of the expense saved and more importantly the safety.
The latest accident between the Stockbridge and Whyke roundabouts at Chichester took place at 17:35 GMT on Friday, Sussex Police said.
The installation, designed by architect Ian McChesney, compliments other roundabouts along the A66 in South Bank and Grangetown in Redcar and Cleveland.
Transport Scotland said the changes will include new traffic lights and roundabouts.
Three of the four sites where collisions increased were roundabouts at Nash Lee and South Street in Wendover and the Radclive roundabout on the A421.
Getting it to handle a complete journey on its own including navigating junctions and roundabouts, responding appropriately at pedestrian crossings and avoiding obstacles on the road is rather more difficult.
"There will be certain areas which we will avoid like roundabouts and pedestrian crossings and other areas where we feel that street lighting will be needed, " said Mr Cunningham.
The Russian Navy could gain a Mediterranean base, but Russian intelligence would then lose the ability to mingle freely with Nato personnel, suggests the author, so it is swings and roundabouts.
The panel of cycling advocates suggested filter systems at traffic lights, priority lanes at roundabouts and for greater private sector involvement, for example getting firms to sponsor cycle lanes or highways.
The improvements, under the Department for Transport's local pinch point fund include widening Longfield Road from the A21 to the supermarket and replacing T-junctions at the cinema and John Lewis turnings with roundabouts.
Bertazzon 3B is one of around 50 family firms in a manufacturing cluster in north-east Italy that leads the world in turning steel, fibreglass and electronics into roundabouts, bumper cars and other fairground thrills.
In London alone, Reynolds has led dozens of covert digs with hundreds of flower-empowered followers to transform derelict dirt on street corners, roadways and roundabouts into places of rediscovered horticultural beauty -- one of his favorite projects, Reynolds says, is a lavender field planted in a once-barren median on Westminster Bridge Road.
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