The  Montreal Avenue - King George Avenue 20mph zone in Chapel Allerton Some suggestions for improvements
Road signs - Diagram 674 <ul><li>The signs used in this zone are to diagram 674, each with a child’s design below the stat...
Poor location of signs -1 <ul><li>Some of the signs are difficult to read from a moving vehicle because of their location ...
Montreal Ave/Church Lane  (1)
Montreal Ave / Church Lane  (2)
Gledhow Lane  from   Gledhow Valley Road
King George Ave  -  when turning into KGA southbound from Harrogate Road (right hand photo), it is virtually impossible to...
Woodland Lane  – there is a lot of “clutter” around the right hand sign, making it difficult to read
Gledhow Park Drive  from  Gledhow Valley Road
Gledhow Park Road  from  Gledhow Valley Road
Signs in other locations  (1) <ul><li>The 20mph home zone in “the Methleys” is extremely well signposted and for the whole...
Signs in other locations  (2) <ul><li>In the village of  Burley Woodhead  there is a very “self-enforcing” 20mph zone – en...
TSGD 2002   – “the law of the land” <ul><li>Speed limits of 20 mph </li></ul><ul><li>      16.   - (1)  The sign shown in ...
Spacing of  Traffic Calming Measures  (1) <ul><li>King George Avenue ,  </li></ul><ul><li>from Gledhow Lane roundabout sou...
Spacing of  Traffic Calming Measures  (2) <ul><li>Gledhow Lane   </li></ul><ul><li>from GVR to Allerton Park =  495  metre...
Spacing of  Traffic Calming Measures  (3) <ul><li>Gledhow Park Avenue </li></ul><ul><li>from speed cushion near 5-way roun...
Spacing of  Traffic Calming Measures  (4) <ul><li>Woodland Lane ,  </li></ul><ul><li>from TCM near Gledhow Lane, =  182  m...
Other roads in the zone  without any TCM’s at all  <ul><li>Allerton Park </li></ul><ul><li>Pasture Avenue </li></ul><ul><l...
SUMMARY <ul><li>20mph zones should be self-enforcing </li></ul><ul><li>The signage at all the entrances to the zone should...
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Twenty is Plenty

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A presentation to persuade Leeds Highways department to amend the signs and calming measures in Chapel Allerton to make the zone conforms to the very clear legal requirement of Traffic Signs General Directions 2002.

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Twenty is Plenty

  1. 1. The Montreal Avenue - King George Avenue 20mph zone in Chapel Allerton Some suggestions for improvements
  2. 2. Road signs - Diagram 674 <ul><li>The signs used in this zone are to diagram 674, each with a child’s design below the statutory part of the sign </li></ul><ul><li>This causes the statutory part to be too high and difficult to read – compare front and rear of sign at bottom of Gledhow Park Drive </li></ul>
  3. 3. Poor location of signs -1 <ul><li>Some of the signs are difficult to read from a moving vehicle because of their location - for instance . . . </li></ul><ul><li>Montreal Avenue and Church Lane from Harrogate Road </li></ul>
  4. 4. Montreal Ave/Church Lane (1)
  5. 5. Montreal Ave / Church Lane (2)
  6. 6. Gledhow Lane from Gledhow Valley Road
  7. 7. King George Ave - when turning into KGA southbound from Harrogate Road (right hand photo), it is virtually impossible to see the signs
  8. 8. Woodland Lane – there is a lot of “clutter” around the right hand sign, making it difficult to read
  9. 9. Gledhow Park Drive from Gledhow Valley Road
  10. 10. Gledhow Park Road from Gledhow Valley Road
  11. 11. Signs in other locations (1) <ul><li>The 20mph home zone in “the Methleys” is extremely well signposted and for the whole zone the 20mph limit is self-enforcing </li></ul>
  12. 12. Signs in other locations (2) <ul><li>In the village of Burley Woodhead there is a very “self-enforcing” 20mph zone – entry signs are clear, easily seen, unambiguous </li></ul><ul><li>The traffic calming measures are simple and effective </li></ul>
  13. 13. TSGD 2002 – “the law of the land” <ul><li>Speed limits of 20 mph </li></ul><ul><li>     16.  - (1) The sign shown in diagram 674 may only be placed on a road if no point on any road (not being a cul-de-sac less than 80 metres long), to which the speed limit indicated by the sign applies, is situated more than 50 metres from a traffic calming feature. </li></ul>
  14. 14. Spacing of Traffic Calming Measures (1) <ul><li>King George Avenue , </li></ul><ul><li>from Gledhow Lane roundabout southbound = 44 metres to first TCM, then 104 metres to next, then 78 metres, then 125 metres and 115 metres to exit sign at traffic lights </li></ul><ul><li>The spacing of the TCM’s at the southern end of KGA do not meet the requirements of TSGD 2002, but the situation is better further up this road </li></ul>
  15. 15. Spacing of Traffic Calming Measures (2) <ul><li>Gledhow Lane </li></ul><ul><li>from GVR to Allerton Park = 495 metres, no TCM’s </li></ul><ul><li>Gledhow Park Drive (east part) </li></ul><ul><li>from GVR to cushion at 5-way roundabout = 195 metres, no TCM’s </li></ul><ul><li>Gledhow Park Drive (west part) </li></ul><ul><li>from King George Ave = 91 metres to first TCM, </li></ul><ul><li>then 145 metres to next TCM, and 154 metres to cushion at 5-way roundabout </li></ul>
  16. 16. Spacing of Traffic Calming Measures (3) <ul><li>Gledhow Park Avenue </li></ul><ul><li>from speed cushion near 5-way roundabout = 112 metres to first TCM, then 374 metres with no TCM’s </li></ul><ul><li>Gledhow Park Grove </li></ul><ul><li>whole length = 370 metres with no TCM’s </li></ul><ul><li>Roxholme Grove </li></ul><ul><li>from Harehills Lane to Gledhow Park Avenue = 260 metres with no TCM’s </li></ul>
  17. 17. Spacing of Traffic Calming Measures (4) <ul><li>Woodland Lane , </li></ul><ul><li>from TCM near Gledhow Lane, = 182 metres to junction with Regent Street, then a further 88 metres to next TCM near park, then 141 metres to TCM near Short Lane, then 116 metres to signs at zone entrance at Harrogate Road </li></ul><ul><li>Regent Street, from junction with Woodland Lane to exit on to Harrogate Road = 133 metres </li></ul>
  18. 18. Other roads in the zone without any TCM’s at all <ul><li>Allerton Park </li></ul><ul><li>Pasture Avenue </li></ul><ul><li>Pasture Lane </li></ul><ul><li>Norfolk Gardens </li></ul><ul><li>Northbrook Street </li></ul><ul><li>Victoria Street </li></ul><ul><li>Well Lane </li></ul><ul><li>Hawthorn Road </li></ul><ul><li>Church Lane </li></ul><ul><li>Dominion Avenue </li></ul><ul><li>Alberta Avenue </li></ul><ul><li>Hillside Road </li></ul>
  19. 19. SUMMARY <ul><li>20mph zones should be self-enforcing </li></ul><ul><li>The signage at all the entrances to the zone should be clear and easily visible, so that drivers know what the applicable limit is </li></ul><ul><li>The traffic calming measures within the zone must be adequate to ensure the speed limit is observed </li></ul><ul><li>This scheme does not meet these requirements and is therefore illegal </li></ul>

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