21. As the coach entered the slip road , its tachograph showed that the coach was travelling at. 22. Traffic interchange with other roads is entirely via slip roads , maximising vehicular flow and land space usage. 23. The slip road from Clementi Road to Ulu Pandan Road was not passable to traffic for 15 minutes. 24. At Newlands Cross a flyover and exit slip roads replaced the at-grade signal controlled crossing in November 2014. 25. It is managed by Portsmouth City Council from the point where the slip roads to the M27 end. 26. College Road is a private road, with a toll towards Hunts Slip Road , dating back to the 1780s. 27. Vehicles on the bridge may proceed to Tuen Mun Road through a slip road at its northern end. 28. The line's construction was handicapped by the lack of available land for carsheds at Charkop and Mankhurd; slip roads . 29. Traffic from the slip road can also turn left at the Jalan Sultan Sulaiman junction towards Jalan Syed Putra. 30. In November 2014 the N7 flyover and exit slip roads to replace the at-grade signal controlled crossing were opened.