A wnaiff y Gweinidog gadarnhau sawl gwaith y cafodd rhannau o'r M4 yng Nghymru eu cau ers dechrau 2019, a rhoi dadansoddiad o'r rhesymau dros gau'r rhannau hynny?
Different sections of the M4 motorway in Wales have been closed at different times from 1 January 2019 until midnight on 13 February 2020, a total of 184 times. Reasons for closures include roadworks, collisions, clearing of obstructions and at the request of the police. A full breakdown of reasons and locations is shown below.
Junctions |
Carriageway |
Incident Type |
Total |
J23 - Prince Of Wales Bridge |
Eastbound |
Roadworks |
4 |
J23a - Prince Of Wales Bridge/J23 |
Eastbound |
Roadworks |
3 |
J24 - J23a |
Eastbound |
Roadworks |
3 |
J23 - J23a |
Eastbound |
Obstruction |
1 |
J26 - J25/J25a/J24 |
Eastbound |
Roadworks |
6 |
J26 - J25/J25a/J24 |
Eastbound |
Collision |
1 |
J27 - J25a |
Eastbound |
Roadworks |
2 |
J28 - J26/J25a/J24 |
Eastbound |
Roadworks |
10 |
J30 - J29 |
Eastbound |
Roadworks |
3 |
J32 - J30 |
Eastbound |
Collision |
1 |
J33 |
Eastbound |
Roadworks |
1 |
J34 - J33/J32 |
Eastbound |
Roadworks |
6 |
J35 - J34 |
Eastbound |
Roadworks |
4 |
J36 |
Eastbound |
Roadworks |
1 |
J37 - J36/J35 |
Eastbound |
Roadworks |
8 |
J38 - J37 |
Eastbound |
Roadworks |
1 |
J40 |
Eastbound |
Roadworks |
1 |
J41 - J38 |
Eastbound |
Roadworks |
13 |
J42 - J41/J40 |
Eastbound |
Roadworks |
2 |
J42 - J41/J40 |
Eastbound |
Collision |
1 |
J43 - J40/J38 |
Eastbound |
Roadworks |
8 |
J44 |
Eastbound |
Police Instruction |
1 |
J44 |
Eastbound |
Roadworks |
1 |
J45 -J44 |
Eastbound |
Roadworks |
10 |
J45 - J44 |
Eastbound |
Collision |
1 |
J48 |
Eastbound |
Roadworks |
1 |
J49 |
Eastbound |
Collision |
1 |
J49 |
Eastbound |
Roadworks |
1 |
Prince Of Wales Bridge - J23 |
Westbound |
Roadworks |
2 |
J23a - J24 |
Westbound |
Roadworks |
1 |
J24 - J28 |
Westbound |
Roadworks |
1 |
J24 - J25/J28 |
Westbound |
Collision |
3 |
J24 - J25/J25a/J26 |
Westbound |
Roadworks |
13 |
J25 - J26 |
Westbound |
Roadworks |
3 |
J25 - J26 |
Westbound |
Collision |
1 |
J25a - J26 |
Westbound |
Roadworks |
4 |
J26 - J27 |
Westbound |
Roadworks |
10 |
J27 |
Westbound |
Roadworks |
2 |
J28 |
Westbound |
Roadworks |
2 |
J32 - J33 |
Westbound |
Roadworks |
2 |
J33 - J35 |
Westbound |
Roadworks |
2 |
J34 - J35 |
Westbound |
Roadworks |
1 |
J34 - J35 |
Both |
Roadworks |
1 |
J37 - J38 |
Westbound |
Roadworks |
1 |
J37 - J38 |
Both |
Roadworks |
1 |
J38 - J42/J43 |
Westbound |
Roadworks |
9 |
J40 |
Westbound |
Roadworks |
1 |
J41 |
Westbound |
Roadworks |
1 |
J42 - J43 |
Westbound |
Roadworks |
6 |
J42 - J43 |
Westbound |
Collision |
3 |
J43 |
Westbound |
Roadworks |
1 |
J44 - J45 |
Westbound |
Roadworks |
15 |
J47 |
Westbound |
Roadworks |
1 |
J48 |
Westbound |
Roadworks |
1 |
TOTAL |
184 |