The junction does not permit entry to north-bound carriageway, nor exit southbound. For older sections of dual carriageway, this has resulted in fewer flyover junctions. It contains a single carriageway of four lanes, two in each direction. The road is a dual carriageway for 14,1 kilometres. The majority of dual carriageway roads now have barriers. The airport is connected to the A1 trunk road by the A696 dual carriageway. Surfaces at the carriageway and pavement decking were replaced. It is a single carriageway A road. The A2 crosses the Medway via two bridges in a dual carriageway (see Rochester Bridge). They provided protection for pedestrians on the narrow carriageway. The A3022 road serves all three towns and varies from dual carriageway and single carriageway. The town lies alongside the dual carriageway north-south A470, between Cardiff and Merthyr Tydfil. There have been several reported accidents resulting from horses running onto the main carriageway. Brawn escaped a driving ban after he admitted speeding at over on a dual carriageway. The tall tower block can be seen from the A40 dual carriageway.