Rutley, K.S. Primary Author mixed material bibliography TRRL 1983 id Indonesia

Chart

15 p.; fig.; tab. Trrl Lr 1075 Driver response to a new, more informative, motorway signal has been measured over an 18 month period on the M1 motorway in Bedfordshire. The new signal has three panels. The top is the same as existing signals and can show and advised maximum speed or indicate a closed lane. A second panel shows one of twelve pictograms which represent the nature of the hazard and a third panel gives, where appropriate, the distance ahead. The added information resulted in improved response from drivers in that they slowed down more, speed distribution was reduced and there was an overall reduction in close following in reasonable visibility. The cost supplying and installing the new signal was estimated at 5000 pounds per kilometre in 1979 prices and their installation could be justified if one accident could be prevented each year on each 20 kilometres of motorway TRAFFIC SIGNAL 625.7(047.31) Perpustakaan Direktorat Bina Teknik Jalan dan Jembatan Direktorat Jenderal Bina Marga - Kementerian Pekerjaan Umum (NPP: 3273244A00000001) 625.7(047.31) Rut n 0000001668 My Library 625.7(047.31) Rut n 1648 machine generated