Police have issued a fresh appeal for witnesses following a road accident near Musselburgh on Saturday, September 15.
A 66-year-old motorcyclist remains in a serious condition in hospital following the collision, which happened around 6.30pm at the Old Craighall Roundabout.
The motorbike and red Peugeot had entered the northbound A1 off-slip, apparently intending to turn west on to the A720, when the collision occurred.
Police want to speak to the driver of an HGV that may have been on the slip road at the time, and any other witnesses. Call 0131 311 3131.